University student Yoshiyuki and his boyfriend Yuzu have moved in together, and things are going great. Yuzu's not always the most open about his feelings, but natural nurturer Yoshiyuki is happy to coddle him a bit. There's just one problem!! Yuzu is totally new to dating, and even a single kiss leaves him beet-red with embarrassment, so these two aren't getting anywhere in the bedroom... Dreaming of all the hot and heavy fun they could be having, Yoshiyuki makes a deal with Yuzu to make their one-month anniversary their first night together. When the day finally arrives, will Yuzu be up to the task...?