Haručika: Haruta to Čika wa seišun suru

Things look bleak for the school's dwindling wind instrument club until childhood friends Haruta and Chika step in to save the day. When they aren't trying to win the heart of the handsome club supervisor, they're working hard to recruit more members. But every new musician presents them with a new mystery, so they'll have to add junior detectives to their already impressive resumes. (FUNimation)