Baby Princess (7)

is the seventh volume of the Baby Princess light novel series, written by Sakurako Kimino and Illustrated by Natsuki Mibu. It was released under the Dengeki Bunko Imprint in May 2011.

Synopsis
"If Rika wins, Onychan won the Kendo match of Rika's thing, because Onychan won't give up!" Summer vacation is already in the second half. The cheerful voice of the seventh daughter, Lixia, echoes in the angel family who won the kendo tournament and Hikaru, the fourth daughter, returned home from the training camp. With this word, the sisters decided to participate in the Kibana Gakuen Marathon. The sisters look back at their hearts for this midsummer love battle, betting on Yotaro's "ownership." The latest volume of the original novel of a 3D animated work by a 2D beautiful girl for the first time in history.

(source: Amazon JP - Translated)