Hatsukoi, Catharsis.

The asexual Ikki is going out with Karakita, his senior from work. But while Ikki is happy to just spend time with Karakida, whom he loves dearly, he also feels anguish at not being able to fully satisfy his partner's desires...? A boys' love story depicting the highs and lows, and the varying seasons of men's life.

(Source: Comiplex, translated)

Note: Originally a web comic, the manga was published by Libre on Octobe 19, 2019. A Director's Cut edition was published by Heroes on January 29, 2024.