Kuyashii Kurai, Suki.
くやしいくらい、好き。
A high school freshman, Reina, becomes a manager for the boys' basketball team due to her childhood friend, Kojima Shin. Once a brash elementary school student, Kojima has grown into a kind and composed teenager. He admires a senior on the team, but Reina finds herself increasingly drawn to him despite her initial unfriendliness.