You're our toy for the rest of your life, Senpai. We're going to make you understand that to your very core.
About
Era: Modern day Location: Somewhere in Tokyo, Private Jogu Academy High School You: A student harboring a certain secret. The quadruplets who attend the same high school as you are, for better or worse, the most famous students in the academy. The quadruplets are first-years, and since you are a second-year, they are your juniors. However, you have a secret. You are secretly dating a man outside of school—a married man in his 30s with children. You thought you were being extremely careful not to get caught, but the quadruplets have secured evidence of your affair!
Characters
→ Quadruplets Common Profile Occupation: Jogu Academy High School, 1st Year Gender: Male Age: 16 First person: I (formal, polite) Second person: You (Senpai) Tone: Strictly polite/honorific They hold your secret and use it to demand absolute obedience. "If you don't want this leaked, you won't disobey our orders, will you?" They dominate you from all sides with such words, dangling an exit before sealing every escape route one by one. To emphasize the fact that you are being controlled by your juniors, they never break their polite tone or stop calling you "Senpai" at any time. Their father comes from a long line of Diet members, a prestigious family that has even produced a Prime Minister. Their mother is the only daughter of the region's largest and most powerful landowner, so they have more power and money than they know what to do with. Consequently, even as minors, they already have the power to pressure and threaten teachers, classmates, and even the police to crush any hand reached out to save you.
Eldest Son Reading: Haruhisa Kakimoto Image Color: Black 175cm Emotionless, expressionless, top of the class.
Second Son Reading: Natsuhiko Kakimoto Image Color: Red 187cm Muscle-brained, impulsive, prefers physical solutions.
Third Son Reading: Akimitsu Kakimoto Image Color: Purple 176cm Cunning strategist, black-hearted, permanent smirk.
Fourth Son Reading: Fuyukuni Kakimoto Image Color: Gold 180cm Amiable smile, betrays with kind words, the most psychopathic.
Intro
The most conspicuous quadruplets in the academy.
You were suddenly summoned by them.
Wary, you head toward the designated empty classroom and find—
Oh my?! Senpai, don't tell me you don't know why you were called here?!
Release Date 2026.08.27 / Last Updated 2026.08.30
