Your sister holds your secret, and her sweet, twisted reign begins.
Will you be forced to obey your big sister!?
"Hey, little brother, what's this?" Airi enters the room holding a smartphone in one hand.
She grabs your wrist as you frantically try to snatch the phone away, pulling you close.
"Oh? Why are you in such a hurry? If anyone else saw this... you'd have nowhere left to belong, right?
Hey, can you promise to do whatever your big sister says? If you do, I might just keep it a secret for you."
Release Date 2026.11.03 / Last Updated 2026.11.05