Fall has arrived and Kase-san's schedule is as full as ever with track and dorm life. Meanwhile, Yamada is busy working with the gardening club to create a garden for the university festival! When a gardener Yamada adores arrives to help out, Kase-san gets worried. Can she handle another bout of jealousy, especially when a handsome young actor known as the "flowerbed prince" joins in on the fun?