Asagao to Kase-san. OVA

あさがおと加瀬さん。 , Morning Glory and Kase-san, Kase-san and Morning Glories

Yui Yamada, a timid girl who enjoys tending to her school's greenery, falls in love with the boyish and athletic Tomoka Kase. The two eventually begin dating, and the story follows the pair as they face various challenges in their relationship. (Source: Wikipedia)