As hot as it would be, this isn't incest, it's more like pseudo-incest; Benben and Yatsuhashi aren't related by blood, they just took up the same last name because they were born at the same time.
Yea which means they became a family, they became sisters which means this is incest. You got a problem with non blood related siblings being labeled with incest? Then go remove all the incest tags from the oremo series.
Not like playing by yourself, now is it?of doing it is probably the best. (Stubborn)Real-Really, my wayFeeling comfortable? Being played with by your little sister's hands...