Boku no Diamond Star
僕のダイヤモンド・スター
Takuma is a first-year high school student from the countryside who is an avid fan of male idols. He works part-time in his free time to save up for a chance to see his favorite idol, Kei, perform live. When Kei abruptly stops all public appearances citing health issues, Takuma is deeply upset. His surprise turns to disbelief when Kei moves in next door. Kei offers to help in any way possible, but Takuma responds that there is nothing he can do.