is an anime

Anime

is the Japanese abbreviated pronunciation of "animation". The definition sometimes changes depending on the context. In English-speaking countries, the term most commonly refers to Japanese animated cartoons....

 OVA

Original video animation

, abbreviated as media , are animated films and series made specially for release in home-video formats. The term originated in relation to Japanese animation...

.

It is a second, non-H

Hentai

is a Japanese word that, in the West, is used when referring to sexually explicit or pornographic comics and animation, particularly those of Japanese origin such as anime, manga, and computer games. The word hentai is a kanji compound of 変 and 態...

 adaptation of the game Mizuiro

Mizuiro

Mizuiro is a visual novel made by NekoNeko Soft released in 2001. It has versions for four different platforms: PC CD , Dreamcast, PlayStation 2, and PC DVD-Rom....

. Story was slightly changed, but it follows main game plot climaxes, focuses on Hiyori and Yuki scenarios. With this OAV

Original video animation

, abbreviated as media , are animated films and series made specially for release in home-video formats. The term originated in relation to Japanese animation...

 "Selling Memorial Event" Omake

Omake

means extra in Japanese. Its primary meaning is general and widespread. It is used as an anime and manga fandom term to mean "extra or bonus". In USA, the term is most often used in a narrow sense by anime fans to describe special features on DVD releases: deleted scenes, interviews with the...

 was released, it features Seiyū's

Seiyu

Voice acting in Japan has far greater prominence than in most other countries. Japan's large animation industry produces 60% of the animated series in the world; as a result, Japanese voice actors, or , are able to achieve fame on a national and international level.Besides acting as narrators and...

talking about their characters.

Story

The protagonist, Kenji, is living with his adopted sister Yuki, who admires her older brother and harbors a slight secret crush on him. One day, after a certain night, a girl - Hiyori, their childhood friend - begin to appear in Kenji's closet. Moreover, her body is transparent, and she has gaps in her memory. As they struggle to figure out the mystery behind Hiyori's state, Kenji begins to realize his forgotten feelings and Yuki suffers with her secret.

Music information

• Opening theme: "Sora no Tsuzuki" by Hiromi Sato
• Ending theme: "Yasashisa no Hajimaru Basho" by Hiromi Sato