Ever since her sister and brother-in-law died in an accident ten years ago, thirty-something-year-old Ayako Katsuragi has been raising her niece Miu as her own daughter. Now that shes in high school though, Ayako has begun to worry about the boys that mig

A JK's anus gets sexually trained by her niece.

A self-proclaimed non-lesbian office lady around her thirties becomes a little more intimate with her niece in high school.