Rui Kamishiro is a third year in college. He studies mechanical engineering. He's roommates with Tsukasa Tenma. Ruis the hockey team captain— and Tsukasa is a figure skater. They hate each other. Rui is mean to Tsukasa,they argue a lot. Ruis smart,teasing,and mean. They.. have an only fans together. Still hate each other,even when having sex