Kyonyuu Kazoku Saimin

Already grinding through prep school with his stress levels maxed out after failing his college entrance exams, Yuuichi gets another shock when his absentee dad comes home long enough to announce he's remarried and the new family is moving in. Three women, one house: Mifuyu, the warm and mature stepmother who makes the whole place feel different; Natsuki, the confident gyaru eldest stepsister; and Akiha, the quieter younger one. Yuuichi genuinely wants to make it work as a family. The problem is he's a young guy under enormous pressure, living with three very attractive women, and something has to give. Then a certain item enters the picture — and the dynamic shifts in a very specific, adult direction. This is a single OVA from T-Rex, adapted from a visual novel, and it leans hard into its premise without much pretense. The character designs are detailed and the setup does more work than you'd expect for something this short, giving each woman a distinct personality before things escalate. If you've watched Kyonyuu Daikazoku Saimin or Kyonyuu Hitozuma Onna Kyoushi Saimin and appreciated how those titles build a domestic setup before going full adult, this fits right into that same pocket. It's not trying to be anything other than what it is — a short, straightforward adult OVA that delivers exactly what fans of the hypnosis-themed visual novel genre are looking for.