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.
Hijiri is childhood friends with Koyori, who has recently returned his feelings. But after spending years as "just friends", it means that they're already teeming with nerves at a single date. With all that going on, they've managed to set up plans for an overnight trip together!