Official English Transalation: Coolmic, Renta!

Kyosuke's dad has remarried, giving him a brand new step-brother. But, of all people, that brother happens to be Atsuya, his school's brightest and most handsome honors student! Feeling inferior, Kyosuke lashes out at his step-brother, but for some reason, Atsuya likes him and nothing Kyosuke does will put him off! Also includes a story of first love between a hopeless hookup addict and his male best friend who offers him a friendship with benefits! Crammed with hot, heavy, steamy action from start to finish!