The gun girls go to a river beach to have some fun during the whole day.Note: The Blu-ray was bundled with the original comic book volume 4.
- Other Title: Upotte!! Miatte Waratte, Upotte!! OVA, うぽって!! みあって わらって
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: OVA
- Genres: Comedy, Ecchi, Military, School, Seinen, Romance, Shoujo Ai
- Characters: FNC, L85A1, M16A4, SG550
- Score: 6.48
- Rank: 6800
- Popularity: 4983