OH NO! Lmao, the yuri lover is gonna be so sad once he notices the change between the two sisters! And he'll be so mad if he realizes that it's sou's fault.
Just because you're of the same gender, doens't mean it's okay to take a shower together, this author makes the wild assumption that women take showers together all the time.
Not even gonna read it, this shit is nasty. That was a child. Therefore child abuse.
But still bro, ty for going through this shit so we don't have to, i wish good things for you in the future.