Tatsumori-ke no Shokutaku

is a Japanese light novel series written by Hideyuki Furuhashi, with illustrations by Shigeki Maeshima. The series began publication on May 10, 2000 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Tadashi Ryumori, a very ordinary (?) High school student who lives with his solid sister. One day, while walking his dog, he picked up some fluffy, unseen creatures in his usual habit. Actually, the true identity of the creature is "Leviathan", which should be called super life, and Chusuke was involved in such a galaxy-scale uproar ... "Tekken Princess" nicknamed "Princess Glowdyne", Captain Kurtz, Captain of the Galactic Federation, and "Miu Miu", "Leviathan", and "Bracon?" Dragon, which can only be seen as a girl about three years old. Yoko Mori and Hideyuki Furuhashi characters explode! SF home comedy is here.