Koutarou Nishiyama

A mysterious animal landed while Atsushi and En is taking a bath. The animal is asking the two to protect the Earth. Being disturbed, Yumoto went to ask the two but then stopped when he saw the animal whom he referred to as Wombat. In school, Wombat is still chasing Atsushi and En and being chased by Yumoto. The chase ended in Earth Defense Club room with Ry? and Io inside. (ANN)

The day-to-day happenings that take place at a bookstore where the love of manga is abundant. (imdb)

Two recently orphaned brothers are given a home and tuition to a prestigious academy under the condition that the elder brother works at the school's daycare center. (Google)