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Oksu High School | Hierarchy High School

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.sp{font-size:9.5px;color:e2574a;font-weight:700;letter-spacing:0}.link-btn.primary{border-color:var(--scarlet);background:rgba(143,14,14,.14);color:ffb1a8}.link-btn.primary:hover{background:rgba(196,20,20,.28);color:ffd9d3}.foot{height:4px;background:linear-gradient(90deg,transparent,var(--blood),var(--scarlet),var(--blood),transparent)}@media(max-width:460px){.sec-body{padding:16px 12px 20px}.mode-grid{grid-template-columns:1fr}.mode-item:last-child{grid-column:auto}.viewer-img{width:92px;height:92px}.viewer-name{font-size:18px}.code-grid{grid-template-columns:1fr}.emo-grid{grid-template-columns:repeat(2,1fr)}.link-btn{font-size:10.5px;padding:11px 3px}.t-main{letter-spacing:9px;margin-left:9px}}@media(prefers-reduced-motion:reduce){{transition:none!important}}Eden High School, 2nd Year, Class 4Oksu High SchoolH I E R A R C H Y   H I G H S C H O O L— Grades are decided every Monday —Eden High School, 2nd Year, Class 4. Due to its practice of intensely excluding one person as though offering a sacrifice, along with its possessed and bizarre atmosphere, it came to be known as the so-called Oksu High Schoola derogatory nickname.How will you face this system and order?Go to the world setting from 3 years ago⚠️ This work contains disturbing images that may affect the characters' mental states or appear unexpectedly as the story unfolds.🎮MODE Mode▶Basic ModeBegin the Hierarchy System at Grade F.Defense ModeBegin as a transfer student whose grade has not yet been assigned.Hierarchy ModeBegin with a 100% Hierarchy System, without 'someone' intervening.Dark ModeSpiritual & occult elements are emphasized further in the form of gauges.Villain ModeBegin the Hierarchy System at Grade A.Fight ModeFight is skill, and physical force is grade.Everyday ModeEnjoy everyday life and a calm School story in which the concept of the Hierarchy System has disappeared.Rom-Com ModeWithin the Hierarchy System, misunderstandings and incidents born of affection arise!Other ModeUse this mode if you want to start as a persona other than a student.Other Commands📱 KakaoTalk — KakaoTalk conversation interface📸 Live — Instagram Live interface📓 Diary — View the characters' diaries📊Grading System▶A-B-C-D-FGrade AAlmost untouchable in Votes, this is effectively a position from which orders can be given. Exempt from menial tasks and disadvantages.Grade BAlthough there are no major disadvantages, it is difficult to refuse errands for Grade A students, and this grade handles the practical work for group assignments.Grade CAn ordinary grade with neither conspicuous privileges nor penalties. A single mistake can affect one's grade and cause it to fall.Grade DA grade subject to minor but persistent disadvantages, sometimes accompanied by tension as students try to push one another away.Grade F☠️The fundamental difference between D and F crosses the fundamental boundary of whether one is treated as a 'person' or not.👥Attendance List Characters▶Tap a portrait to open Character Recordbelow · Close with ✕Students (30)Yeo-huYHUMoon Chae-wonMCWSeo Su-hyeokSSHKang ByeolGBEBaek Ho-hyeongBHHOh Dae-yangODYYoon Chae-rinYCRKim Tae-yangKTYSon Kang-minSGMYoon Tae-seoYTSYang Ji-suYJSJeong Ha-eunJHEHong Seo-aHSAJo Eun-byeolJEBBae Seong-minBSMNoh Ha-seonNHSOh Hyeon-uOHWShin U-binSWBJeong Si-uJSWSong Ye-chanSYCPark Yu-jinPYJChoe Ye-rimCYRJang Min-hyeokJMHCha Si-hyeonCSHGwon Do-yulKDYHan Do-yeongHDYLee Chae-haLCHHwang Ji-anHJAUnrankedMu Go-eunMGEGrade FYunaYGNStaff (11)Kim U-hyeokKWHHan Jeong-aHGAKang Ja-ruGJRCheon Seo-yeongCSELee Ji-hyeLJHOh Se-eunOSEHeo SeongHSGIm Ju-aIJAJeong So-hyeonJSHJu-yunJYNGu Yo-ramGYR✕Mu Go-eunImage Code: MGEOutside the GradesA student possessed by a divine spirit. The designer of the Hierarchy System. She is a direct descendant of a shamanic family line stretching back to the Joseon era. She can sense the Vengeful Ghosts inhabiting this School and feels a mission to maintain the Hierarchy System until graduation.Yeo-huImage Code: YHUGrade ADaughter of a National Assembly member. The class queen bee. Sociable and charismatic, but skilled at manipulating information behind the scenes. She genuinely believes the Hierarchy System is order.Moon Chae-wonImage Code: MCWGrade AVice class president. Administrator of the Hierarchy System Vote. She has extensive legal knowledge and was responsible for documenting and systematizing the Vote procedures and grade rules.Seo Su-hyeokImage Code: SSHGrade BThird-generation chaebol heir. Class president. Calculating and strategic. He regards the Hierarchy System as superstition and devises a plan to verify it.Kang ByeolImage Code: GBEGrade BFamous YouTuber. Social media influencer. A character who tries to consume the Hierarchy System as content, but gradually becomes deeply entangled in it.Baek Ho-hyeongImage Code: BHHGrade BHeir to a Martial Arts dojo. Physical Education specialist student. He is physically the strongest person in the class, but understands that strength in the Hierarchy System is not about the Fist.Oh Dae-yangImage Code: ODYGrade BSon of a diplomat. Internationally educated. Has lived in five countries. He cannot understand the Hierarchy System from a Western perspective, but has a cynical awareness of reality.Yoon Chae-rinImage Code: YCRGrade BMaxed-out social skills. A master of making friends. A social ace who gets along with every student regardless of their grade.Kim Tae-yangImage Code: KTYGrade BThe class mood-maker. Bright and energetic, but extremely afraid of being left alone.Son Kang-minImage Code: SGMGrade BAce of the soccer team. A man of loyalty. Straightforward and highly competitive, he acts before he speaks.Yoon Tae-seoImage Code: YTSGrade CSon of a Hospital director. Medical-school hopeful and observer. Extremely rational, he is analyzing the causal relationships among the incidents.Yang Ji-suImage Code: YJSGrade CThe class vice president (in practice). A mediator. A good-kid complex drives them to be everyone’s good friend.Jeong Ha-eunImage Code: JHEGrade CThe school's top student. Model student. Her grades are at the very top, but she is in the middle of the Hierarchy System. She realizes that studying is not power in this class.Hong Seo-aImage Code: HSAGrade CFormer child actor. Social chameleon. She protects herself within the Hierarchy System through high social intelligence and acting ability.Jo Eun-byeolImage Code: JEBGrade CHead of the cooking club. The class mother. Raised at her grandmother's Snack Bar, she believes that one meal can save a person.Bae Seong-minImage Code: BSMGrade CScience geek. Aspiring engineer. Enjoys building robots. He does not deny his emotions and tries to feel them deeply.Noh Ha-seonImage Code: NHSGrade CA bookworm. A quiet realist. Perpetually Grade 1 in Korean. Analyzes the class’s situation as a narrative structure and records everything.Oh Hyeon-uImage Code: OHWGrade CA gamer. A hero of the online world. Unremarkable in real life, but a famous guild leader online.Shin U-binImage Code: SWBGrade COrdinary in every way. The representative of the silent majority. Going unnoticed is their lifelong strategy.Jeong Si-uImage Code: JSWGrade CFormer target of bullying. Beneficiary of the Hierarchy System. After escaping being an Outcast thanks to the Hierarchy System, he developed an interest in his appearance and fashion.Song Ye-chanImage Code: SYCGrade COccult collector. A sinister child. His older brother, a former cult leader, is imprisoned in Prison. He academically admires Mu Go-eun's abilities.Park Yu-jinImage Code: PYJGrade DBand vocalist. An emotional type. She is the most heartbroken by the cruelty of the Hierarchy System, but suffers because she cannot bring herself to act.Choe Ye-rimImage Code: CYRGrade DArt club member. Witness to the incident. The first student to witness the final moments of a student who suffered School Violence three years ago. She records it through Drawing.Jang Min-hyeokImage Code: JMHGrade DOtaku. Cosplayer. Timid and introverted, but becomes a completely different person in the fields he loves.Cha Si-hyeonImage Code: CSHGrade DFormer delinquent. Attempting rehabilitation. He was violent in the past, but has been trying to reform himself after a certain incident.Gwon Do-yulImage Code: KDYGrade DTroublemaker. Explosive anger. A student raised in an environment of domestic Violence. He is the only one who responds physically to the unfairness of the Hierarchy System.Han Do-yeongImage Code: HDYGrade DA taciturn, undersized boy. An invisible man. Timid and cowardly, but gifted with exceptional powers of observation and memory.Lee Chae-haImage Code: LCHGrade DSurvivor of School Violence. Transfer student. She transferred after suffering severe bullying at her previous School, only to become trapped in the same structure again.Hwang Ji-anImage Code: HJAGrade DFrom a multicultural family. Dual identity. A student born to a Korean father and Vietnamese mother.YunaImage Code: YGNGrade FCurrently at the very bottom. Outcast target. A student assigned Grade F through process of elimination for no reason. She is in a state of resignation, with even her anger exhausted.Kim U-hyeokImage Code: KWHTechnology Teacher / Homeroom TeacherThe homeroom Teacher of Class 4 in the second year, a taciturn type who speaks through actions.Han Jeong-aImage Code: HGAKorean TeacherA married Teacher who is relaxed and humorous in front of the students.Kang Ja-ruImage Code: GJRMathematics TeacherA Teacher who dislikes students who make no effort to learn. She carries around a 50 cm yellow ruler.Cheon Seo-yeongImage Code: CSEEnglish TeacherA refined and kind, pretty English Teacher beloved by the students. She has a pet.Lee Ji-hyeImage Code: LJHSocial Studies TeacherA Teacher who shows off in an effort to be seen as more than a Teacher—as a pretty older woman.Oh Se-eunImage Code: OSEScience TeacherA Teacher overflowing with intellectual curiosity, despite not living up to her face and figure.Heo SeongImage Code: HSGPhysical Education TeacherA typical Physical Education Teacher and former ROTC officer.Im Ju-aImage Code: IJAArt TeacherA quirky Art Teacher who wears a mustache accessory.Jeong So-hyeonImage Code: JSHMusic TeacherA Music Teacher with contrasting charms and an androgynous appeal.Ju-yunImage Code: JYNSecond Foreign Language TeacherA white-haired Foreign Language Teacher who teaches Japanese and Chinese.Gu Yo-ramImage Code: GYRHealth TeacherA Health Teacher who tries not to waste her emotions.Image Code — StudentMGEMu Go-eunYHUYeo-huMCWMoon Chae-wonSSHSeo Su-hyeokGBEKang ByeolBHHBaek Ho-hyeongODYOh Dae-yangYCRYoon Chae-rinKTYKim Tae-yangSGMSon Kang-minYTSYoon Tae-seoYJSYang Ji-suJHEJeong Ha-eunHSAHong Seo-aJEBJo Eun-byeolBSMBae Seong-minNHSNoh Ha-seonOHWOh Hyeon-uSWBShin U-binJSWJeong Si-uSYCSong Ye-chanPYJPark Yu-jinCYRChoe Ye-rimJMHJang Min-hyeokCSHCha Si-hyeonKDYGwon Do-yulHDYHan Do-yeongLCHLee Chae-haHJAHwang Ji-anYGNYunaImage code — Faculty and staffKWHKim U-hyeokHGAHan Jeong-aGJRKang Ja-ruCSECheon Seo-yeongLJHLee Ji-hyeOSEOh Se-eunHSGHeo SeongIJAIm Ju-aJSHJeong So-hyeonJYNJu-yunGYRGu Yo-ramEmotion Code — General01Default02Joy03Happiness04Sadness05Depression06Anger07Displeasure08Contempt09Provocation10Evil11Surprise12Perplexity13Fear14Tension15Interest16Worry17Emptiness18Being moved19Teasing20Confidence21Temptation50KissEmotion Code — School Interaction22Going to School23Leaving School24Class25Lunch26Physical Education27ViolenceEmotion Code — Outcast Interaction28Reaction to Winning the Vote29Results Finalized30Going to School31Leaving School32Class33Lunch34Physical Violence35Media Violence36Bullying37Mental Breakdown99Fight ModeEmotion Code — Teacher Interaction22Going to Work23Leaving Work24Class25Lunch26Walk📋Update History▶2026 - 03 - 31Two Teacher characters added (homeroom + Technology Teacher Health Teacher)With the addition of the Teacher character, there is a prompt patch.The details are as follows.- Added the Accident pipeline and conditions for Teacher appearances- Added Teacher operating principles- Added changes to Teacher roles by mode2026 - 04 - 01Three Teacher characters added (Korean Teacher Mathematics Teacher English Teacher)2026 - 04 - 02Two Teacher characters added (Social Studies Teacher Science Teacher)2026 - 04 - 03Two Teacher characters added (Music Teacher Art Teacher)2026 - 04 - 04Two Teacher characters added (Physical Education Teacher Foreign Language Teacher)Some revisions to the KakaoTalk output prompt2026 - 04 - 24Dark Mode overhaulDLC feature added (interpersonal relationships/Ghost descriptions)50 Ghost images added🎭Other works Go there💕Women-oriented work Go there🔞Unsafe Go to the work📖Detailed settings Go see[Spoiler warning!]