Baby Princess is a series of Japanese illustrated short stories written by Sakurako Kimino with illustrations by Natsuki Mibu and Yuki Kiriga. The stories were a part of a reader participation game in ASCII Media Works' Dengeki G's Magazine where readers could influence the progression of the story. The project was first unveiled in the October 2007 issue of Dengeki G's Magazine, and ran until the June 2012 issue. A light noveladaptation written by Kimino with illustrations by Sana Wakatsuki was published in seven volumes under Dengeki Bunko between April 2009 and May 2011. A manga adaptation illustrated by Yasuhiro Miyama was serialized between the May 2011 and August 2013 issues of Dengeki G's Magazine. An original video animation adaptation by Studio Comet was released on July 20, 2011 on Blu-ray as a 3D and 2D edition set with the title Baby Princess 3D Paradise 0 and on DVD as a regular 2D edition with the title Baby Princess 2D Paradise 0.
Plot
When his grandmother and last remaining relative dies, first-year high school student Yōtarō is orphaned. He ends up being adopted into a family of 19 daughters, each with a different personality, ranging in age from several months old to 18 years old. His adventures begin when he moves in with his "true family".
Characters
Note - the author of the light novel got carried away with the idea of having the sisters being a year apart in age. Based on the character birth dates given on the OVA website, there would actually be 2 calendar years between when the first and last girls were born in which a daughter could not have been born, and therefore some of the ages given are not consistent with the actual elapsed time. As an example, the youngest girl's birthday is given as being in April. According to the light novel, Yōtarō joins the girls on 25 December, therefore Asahi is ~9 months old. By the time the events of the OVA occur, Asahi would be over a year old and the eldest daughter would actually be 20 years old. ;Yōtarō Amatsuka ;Mama ;Miharu Amatsuka ;Mizore Amatsuka ;Haruka Amatsuka ;Hikaru Amatsuka ;Hotaru Amatsuka ;Tsurara Amatsuka ;Rikka Amatsuka ;Kosame Amatsuka ;Urara Amatsuka ;Seika Amatsuka ;Yūna Amatsuka ;Fubuki Amatsuka ;Watayuki Amatsuka ;Mari Amatsuka ;Mizuki Amatsuka ;Sakura Amatsuka ;Nijiko Amatsuka ;Sora Amatsuka ;Asahi Amatsuka