Free! dj - 18-nen me no Saki ni

Pairing: Makoto x Haruka From [Maigomaple Syrup](https://www.mangaupdates.com/groups.html?id=7450): With graduation and the future coming up, Makoto wonders how much longer he has until he has to part ways with Haru. But then, some surprising news arrives... (This book was published before Eternal Summer)