After being dumped by her boyfriend, Koyori went to her longtime friend Hijiri's house to drink away her sorrow...and ended up spending the night with him! Not only that, he tells her he loves her—and she's not sure how to reconcile the new development with someone she's known since they were kids. After all, the stakes are high—if things don't work out, she could risk losing it all. And to make matters worse, her ex wants to reconcile...? Koyori needs to figure out what she wants, before she loses it all.
Childhood friends, Hijir and Koyori are now officially together. On top of that, Koyori’s been put in charge of a project at work, and she also just moved in with Hijiri. Smooth sailing from here on out! Or so she thought… as their start having less time available to see each other, and she begins noticing small annoyances as they live together. What an ordeal for this childhood friends-turned-couple!