Natsu no Hate Tie Break

"Can I be selfish just one last time?" Harima Tasuku regrets taking advantage of the kindness of his former baseball team senior Maniwa Raito, and his guilt has kept him from contacting Raito ever since high school graduation. Instead, Tasuku spent his days watching from afar, as Raito made a name for himself as a professional baseball player. Yet suddenly, Raito quits the team and disappears without a trace - until Tasuku, worrying about what happened, runs into him at a former baseball club reunion... (Source: Julian Publishing, translated) Note: Includes one extra chapter.