Fukuyama Gekijou: Natsu no Himitsu
Japanese title: ふくやま劇場 なつのひみつ
Type: OVA
Episodes: 1
Source: 4-koma manga
Genres: Fantasy
Studios: Mook Animation, Urban Product
Duration: 55 min
Rating: G - All Ages

Several short animated mini-stories based on the short stories and four-panel manga of Keiko Fukuyama, including My Father the Mouse, The Rabbit Brothers, Summer Secret, The Mysterious Fairy, How Very Strange, and Kuro.

(Source: Anime Encyclopedia)