Sae and Kōki have been friends since childhood. One fateful day at the end of middle school, she has a revelation: Kōki has grown up! Now they're in high school, and she has another revelation: she has feelings for Kōki! But Sae isn't the only girl who does… The question is, who does Kōki have feelings for?!
| Directing | Aya Kobayashi | Series Director |
| Writing | Yasuhiro Nakanishi | Series Composition |
| Visual Effects | Jinfeng Zeng | Character Designer |
| Sound | Natsumi Tabuchi | Original Music Composer |
| Sound | Miki Sakurai | Original Music Composer |
