Sayonara Game Series by Yuu Minaduki, 南月ゆう

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. Could Yosuke’s admiration be masking something more?

Yosuke had a crush on Arimura—an upperclassman from his high school baseball team—for years before he finally confessed his feelings. And even after a year of being his boyfriend, every day still feels like a dream. But when Yosuke is hit on by a work colleague who is unknowingly Arimura’s former college upperclassman, the subsequent reunion of the classmates casts a shadow over Yosuke’s dream relationship.

A longtime crush has blossomed into a dream relationship in this Sayonara Game sequel, until a ghost from the past suddenly appears.Ever since Yosuke confessed his long-held feelings for Arimura, his life with his new boyfriend has been a dream. But when a work colleague and former college classmate enters the scene, his dream relationship faces its first threat... moreA longtime crush has blossomed into a dream relationship in this Sayonara Game sequel, until a ghost from the past suddenly appears.Ever since Yosuke confessed his long-held feelings for Arimura, his life with his new boyfriend has been a dream. But when a work colleague and former college classmate enters the scene, his dream relationship faces its first threat.Yosuke’s dream relationship with his old high school crush Arimura hits some turbulence when Masato Hozumi, a former college classmate of Arimura’s, makes an appearance. Arimura has decided to take a position working overseas, putting the lovers at odds. Determined to find out the cause of his boyfriend’s strange behavior, Yosuke confronts Hozumi and learns of the troublemaker’s true intentions! less