Baby Princess

is a Japanese light novel series written by Sakurako Kimino, with illustrations by Natsuki Mibu. The series began publication on April 10, 2009 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Yotaro was greeted at the stunning mansion by 19 sisters lined up from the eldest daughter of 18 years old to the baby of 0 years old ☆ There is mugumyu, there is a bad happening (!?), And with exceptional beautiful girls The sweet new life I live in doesn't stop throbbing anymore (nosebleed) ☆

Congratulations, your true family was here!

Manga Volumes
Manga adaptation of the light novel, illustrated by Yasuhito Miyama. It was serialised in Dengeki G's Magazine and published under the Dengeki Comics imprint between December 2011 and August 2013.

Baby Princess 3D Paradise 0 [Love]
A 1 episode OVA based on the light novel series.