Kase-san and Morning Glories

Yui Yamada, a high school girl with a fondness for plants and gardening, starts dating Tomoka Kase, the ace of her school's track team. Yui is shy, girly, and has never been in a relationship. On the other hand, Tomoka is vivacious, tomboyish, and popular among her friends. Despite being different in so many ways, they try to understand and support each other while experiencing the rush of exhilaration that accompanies the magic of first love. Source MyAnimeList