1+2＝Paradise (1+2=パラダイス, Ichi tasu Ni wa Paradaisu) is a Japanese manga series by Sumiko Kamimura. The story has been adapted into two original video animations (OVAs) released by Toei Video, a subsidiary of the Toei Company.

Because of the sexual content the series was one of the manga placed on “Harmful manga” lists by local and national governmental agencies. The negative publicity resulted in Kodansha discontinuing the series.

Plot

The story focuses on Yusuke Yamamoto, the teenage son of two gynaecologists. As a boy, he was almost castrated by his two childhood friends, the twin sisters Yuka and Rika Nakamura, his neighbours, which is why he is afraid of women. Also as a child, he saved the twins from an attacking dog. They grow up with a dream that turns Yusuke’s life upside down. At the beginning of the story, they re-appear at the home of Yusuke. His father invites the young women in, to live with them, hoping they will heal his son’s gynophobia. The therapeutic benefits of this intended treatment are not entirely clear from the series of, sexually tinted, events that unfold.

Manga

The manga was serialized in Monthly Shōnen Magazine, published by Kodansha, from 1988 to 1990 but discontinued after it met opposition due to the depiction of nudity and sexually tinted content. The manga was re-released by Shōbunkan in 1994 to 1995.

1+2=Paradise
Manga cover of 1+2=Paradise
1+2=パラダイス (Ichi tasu Ni wa Paradaisu)
Manga
Written by	Sumiko Kamimura
Published by	Kodansha Shobunkan
Magazine	Monthly Shōnen Magazine
Demographic	Shōnen
Original run	1988 – 1990
Volumes	5
Original video animation
Directed by	Junichi Watanabe
Produced by	Kazumasa Fujiie Kazuo Satō
Written by	Nobuaki Kishima
Studio	J.C.Staff
Released	February 23, 1990 – April 27, 1990
Runtime	29 minutes
Episodes	2