Mellow Book

Akaike, the editor of a magazine and former swimmer Jin met through a series of articles in a sports magazine and are now lovebirds! One day, while visiting Jin's parents' swimming club, he encounters a young man named Ushio, whom Jin has known since he was a child. (Suddenly, Akaike Is being stared at so intensely?!) Don't be that cute!

(Source: Media Factory, translated)

Notes:
- Includes the one-shots "Mellow Book (メロウブック)" previously published in Nikutaiha BL (肉体派BL), and "Twilight Guide (トワイライトガイド)" previously published in Yajuu BL (野獣BL).
- Includes two extra chapters.