BL - Sports Ballers

Yutaka works as a trainer at his father's boxing gym. One day, Yutaka meets Kei, who was fighting off several thug that had been chasing him and, impressed by his reflexes, Yutaka invites him to join the gym. Yutaka's father has high expectations for Kei and Yutaka is put in charge of him. But, Kei tells Yutaka, he has no intentions on going pro and is using them for a place to live. When Yutaka tries to kick him out, Kei threatens to reveal Yutaka is gay to his father and extorts him

After Sekiya overhears Nagashima badmouthing him, the club president, Tatsumi, notices the negativity between them. To make them reconcile, Tatsumi forces the two to hold hands while walking home. Though, instead of reconciling, Sekiya falls for Nagashima and becomes jealous when he realizes the one Nagashima likes is Tarsumi.
Includes the story of the Archery Club Advisor Haitani-Sensei and the Club President Tatsumi

Ch. 4, Pg. 46-85: Sanada and Shikura, now teachers at rival schools, were tennis doubles in school but stopped playing together after a misunderstanding

Ch. 4: After he retires, Ichigaya desperately wants his senpai Kusumi to come back to baseball, but Kusumi is unable to pitch anymore

Ch. 5: Wataru and Kenta were best friends who met running track, but their relationship has become awkward after Wataru quit because he couldn't keep up with Kenta.

Ch. 7: Archery club leader and secret otaku Inui is dating his club kouhai Chiharu, who look like his favorite magical girl. When Chiharu finds out he looks like a girl Inui likes, not knowing she's an anime character, he becomes upset thinking he's a substitute

Ch. 2: Shuu has an unrequited love for his friend and track star Tetsu. Shuu starts avoiding Tetsu, after Testsu wakes up while Shuu is kissing him
Ch. 3-5: Chika considers Munakata, the track team's manager and former member, a loser. When he finds out Munakata's still training, despite quitting due to an injury, his opinion changes

Siscon Arimura's younger sister, Nana, needs a tutor for her college entrance exams, so he asks his former baseball kouhai, Matsu. When Matsu has to cancel, he introduce Arimura to Itou, a former teammate that Arimura doesn't remember. Unfortunately for Arimura, Nana falls for Itou immediately. While reminiscing at the park, Itou confesses and Arimura responds, "If it's you, I can leave Nana in your care." But afterwards, Arimura becomes more conscious of Itou.

Sayonara Game Sequel
Arimura becomes insecure and jealous when Itou's gay coworker Hozumi is targeting Itou.

Ch. 7: After a surprise meeting with his former senpai Hiyama, Seisuke begins working at Hiyama's dojo as a judo instructor