[Souji's aware that, even if Frisk agrees to the condition, he can't force them to abide by that agreement. After all, he's not going to be seeing much of them when this year is over.]
Don't let anyone know you know them.
[He hopes it's implicitly clear that "anyone" includes Frisk's family, which, of course, includes Chara.]
no subject
Don't let anyone know you know them.
[He hopes it's implicitly clear that "anyone" includes Frisk's family, which, of course, includes Chara.]