beta
Asahi is a graduate student, who suddenly had to take care of his older sister’s child Masaki....
A (Chp 1-3, 7), B (Chp 4-6)
T: Seme gets off on Uke cheating w/imaginary wife. Uke makes DNA samples of Seme w/o consent.
T:
>>A: Past HS friends who used to 'experiment' w/each other. Adult reunion. Uke is taking care of sister's child for 2 mo. Seme moves in to help out.
>>B: Seme and Uke are biology (biochem?) students. Uke has fetish of carrying Seme's DNA samples w/him at all times.