Koi to wa Yosou ga Tsukanai Mono de
恋とは予想がつかないもので
Hachi has spent years perfecting his poker face, using it to hide his true feelings from his best friend, Rin. He believes that if he keeps his emotions in check, their friendship will remain unchanged. However, his carefully constructed facade begins to crack when Rin starts to notice the small, unguarded moments Hachi lets slip.
As Hachi struggles to maintain his composure, he realizes that Rin might not be as oblivious as he thought. The line between friendship and something more blurs, forcing Hachi to confront the possibility that his feelings are already known. What started as a simple act of concealment becomes a delicate dance of unspoken truths and unexpected revelations.