Sayonara Game (Yaoi manga)

A high school crush gets a second chance when fate brings two former teammates together again.

Arimura enlists the help of Yosuke—a younger baseball club teammate from his high school days—to tutor his little sister. Yosuke has always been rather brusque around Arimura, but to the older man’s surprise, he discovers Yosuke actually looks up to him. But could Yosuke’s admiration be masking something more?