Sumika Yamamoto

Heroine, Hiromi Oka, has just entered a high school famous for its tennis club. She has started playing tennis yearning after Madam Butterfly. She was expecting to enjoy playing tennis with her best friend, Maki, but the situation changes when the new coach, Mr. Munakata, suddenly picks out Hiromi to be one of the players for the upcoming tournament and starts giving Hiromi tough lessons. She strives under any circumstance. (myanimelist)

It’s been three years since Nishi High’s Hiromi Oka was taken under the wing of former tennis superstar and “demon” coach, Jin Munakata. Fresh off a national championship win, Hiromi has been selected to represent Japan in New York for an international tournament. Unfortunately, Munakata is suddenly hospitalized after his own demons finally catch up with him. Forced to continue on without him, Hiromi must find it in herself to keep playing in the face of new challengers and heartbreaking tragedy

Hiromi continues developing her tennis and shows the results while undergoing an emotional change into an adult.