Koi to Kokoro to H no Kankei

Six classmates and close friends are at that age when they begin to notice the sexual tension building up. The three girls Chieri, Kyoko and Yuyumi begin pairing up with the three guys, Daisuke, Mitsuya and Takai. They have their first experience with each other and begin a relationship. But it being their first time and all, it doesn?t go exactly as planned for each couple.