Alt. title: Umi To Futari No Enbun Noudo | 海と二人の塩分濃度 | 海と涙の塩分濃度 | Umi to Namida no Enbun Noudo
Ryuuta has worked a summer job in Naoki’s pub for several years, falling deeper and deeper in love with him despite Naoki’s long-term girlfriend. But as soon as Ryuuta decides this will be his final summer on the job, he finds out Naoki’s girlfriend is gone, and Ryuuta can no longer resist telling Nao-san about his feelings.
– chapter 1