Best Boy.

Akina is a young man who gets transferred into a research lab, where he meets the quiet and reserved Yara. When Yara unexpectedly lends him his lab coat, Akina accidentally leaves something in the pocket, sparking an unexpected connection between them.

Despite Yara being older, Akina finds himself drawn to his innocent and sweet demeanor. As they spend more time together, Akina realizes that pursuing an older guy might be more rewarding than he ever imagined.