MAHOU NO CHOCOLATE

Mami-chan has a crush on her school's soccer club star, Ishida-senpai, and tries against hope to work up the courage to give him chocolate for Valentine's Day. She learns from her friend Koko-chan of the mysterious Magical Chocolate. Will the magic make Mami's dream come true? (Source: AnimeNfo) — Description from AniList community (anilist.co).