- Country: N/A
- Genres: Animation, Comedy, Short
- Release: 2009-03-06
- Director: Yoshiaki Iwasaki
- Writers: Kenjiro Hata , Hiromu Sato
- Language: Japanese
- Stars: Ryoko Shiraishi , Rie Kugimiya , Rie Tanaka , Shizuka Itoh , Hitomi Nabatame , Kana Ueda , Miyu Matsuki , Mikako Takahashi , Marina Inoue , Saki Nakajima
- Runtime: min
- Awards: N/A
- AKA: Hayate no gotoku!!: Atsu ga natsuize Mizugi hen! , ハヤテのごとく!! アツがナツいぜ 水着編! (Japan) , Hayate the Combat Butler OVA (United States of America) , Hayate the Combat Butler OVA , Hayate the Combat Butler OVA (United Kingdom)
- Plot: To encourage Nagi to swim and enjoy summer, Maria invites various friends to their Sanzenin family's private beach. While everyone is having fun, Nagi hesitates to wear swimsuits and come ...
- IMDB:tt1392164
Hayate no gotoku!!: Atsu ga natsuize Mizugi hen! Cast
Yoshiaki Iwasaki
Director
Ryoko Shiraishi
Hayate Ayasaki
Rie Kugimiya
Nagi Sanzenin
Rie Tanaka
Maria
Shizuka Itoh
Hinagiku Katsura
Hitomi Nabatame
Yukiji Katsura
Kana Ueda
Sakuya Aizawa
Miyu Matsuki
Isumi Saginomiya
Mikako Takahashi
Ayumu Nishizawa
Marina Inoue
Wataru Tachibana
Saki Nakajima
Saki Kijima