Hotaru and Hananoi-kun's plans to spend his birthday together fall through when Hotaru has a family event suddenly crop up. The thing is, even while she's with her family, she just can't stop thinking about him...

Hotaru spends the day with the bookstore crew, including Hananoi and Yao, who don't see eye to eye about the past. Perhaps a little nudge is just what Hananoi needs to be more open with Hotaru...