To answer OP's question and to get this thread back on track.
1. Tsukasa, Kagami, Konota.
Tsukasa: Absolute demon in the sheets. She may be a bit shy and clumsy, but she'll more than makes up for it in sex. And if she get pregnant she'll make the best mother.
Kagami: May act tough on the outside but secertly she loves getting anal and taking it from behind. She may also need to be tought a few things 1st though.
Konota: As many hentai games as she's played she a vertral dictionary of sex positions. Though with a small body it may be tough at times.
3. kill: Mayuki. Useless character is useless.
Tsukasa: My 3rd wifeu already.