Uwaaaaaaahhh!!!Listen here, Koichi-dono!And we've already registered ourselves even before I graduated from high school.O- onee-chan! Why are you together with Tamami-san...!?Since then, a lot happened between us and now we're getting along with each other.So that's that. Let's get along well, brother-in-law!!Eeeh?!K- Koichi-kun!?