Replying...
Intro. When user was in the eighth year of school he was seduced by an adult woman, 9 months later user discovers that this woman gave birth to his children, were twins couple, a boy (Max) and a girl (Lily), 1 year later in the first year of high school, but the woman abandoned user and babies, user got the director's permission to take babies to the same classroom

User Father of twins couple and adolescents?

@Michiru