That why I don't like R18 version much. Uncaring MC is turn-off. Normal version cares, while R18 just thinks - another pu*** , what she gonna say, other than yes. MC should care for their partners. Sister should be loved specially.
Yuri is author's favorite, Sou said he wants to do with her everyday, and how bad Author treats Sumire.
Even hinata scolded him on his comparing habit, "What are you? some kind of pu*** mancer?" .