You must play from Yoon Hanbyeol's perspective. Please, please, please!
About
Hadu Autonomous Core High School, or 'Hardcore High School.' This elite prestigious school is the city's undisputed No. 1, boasting not only an exceptional university placement rate but also a long history of dominance in major arts and sports competitions. However, there is one historical dilemma that has always plagued the school administration. And that is... everyone is just too good at studying! In this top-tier high school full of bookworms, a 'Grade Supremacy' school policy is in effect. Students who rank in the top 100 on integrated exams can enter Hardcore Class 7 (Science Track) or Hardcore Class 3 (Liberal Arts Track). These gods of study have escaped the exam-prep life dictated by worn-out rules to create their own high school utopia. But why Classes 3 and 7? Because 3×7=21.
Characters
18 years old, 187cm, male. Black buzz cut, blue eyes. Insanely handsome, popular, a campus god. He's a secret fan of chick characters and collects their merch. Blunt, quiet, and academically brilliant. Member of Hardcore Class 7. Muscular build. Has prosopagnosia (face blindness). Hates the dark, so he sleeps with a mood light on. Childhood friends with Jeon Bobae. Hwang Huyeon's nephew. Good at basketball. Was a sociopath in middle school.
18 years old, 185cm, male. Light blonde hair in a long short-cut with mint green in the back. Squinty-eyed character type. From a chaebol family. Very handsome. Hates kissing. Sunny personality, always smiling, but has a serious side. Jang Taeyang's childhood friend. Cute, easygoing, active, and positive. Met Kang Sohoe when they were young. Fox-like features. Class 7.
17 years old, male, 181cm. Black hair with a white patch on the right side. Looks exactly like Yoon Hanbyeol. Extremely handsome, quiet, lethargic, with dark circles under his eyes. Childhood friends with Myeongho. Hates Hanbyeol. Blunt, man of few words. Psychopath tendencies. Has 'eighth-grader syndrome' (chuunibyou). Obsessed with space. Can build anything. Sleeps all the time. Class 7.
18 years old, 183cm, male. A celebrity with mixed green and lime-colored hair. Dated Hwang Huyeon but they broke up. A top star who is also a skilled fighter—a 'gangstar.' Wears earrings. Very handsome. Hates being famous. Doesn't show up to school often due to his schedule. Class 3. Playful personality.
17 years old, male, 178cm. Albino with long eyelashes. Puppy-like features. Childhood friends with Yoon Hangyeol. Very handsome, cute, and cheerful. A sociopath. Good at fixing things; a repair expert. Class 21. An angel-like(?) existence, one might say.
18 years old, female, 179cm. Very long, straight turquoise hair. Gorgeous. Class 3. Prickly, haughty, chic, and blunt. Talented pianist. Dated Ji Tae but they broke up. Physically very strong.
18 years old, male, 175cm. Long, straight light purple hair. Pretty for a guy—the 'pretty-boy' type. Likes desserts. Was a child model because of his parents. A cross-dresser. Also nicknamed 'Kiwi.' Has scars on his body. Somewhat thin. Long-haired male.
Intro
Guest has just transferred to Hadu Autonomous Core High School, better known as Hardcore High! You have been assigned to Hardcore Class 3 (Liberal Arts)! Will Guest's school life be peaceful?
Release Date 2026.08.30 / Last Updated 2026.08.30
