The secret of the smile of Shiro Usaida, the 4th son of a large family (5) / Hyuga 唯稀 Cosmic library alpha

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Usaida Shiro, the fourth son of a large family who is rumored to be a prodigy and has a good reputation even in the neighborhood, had a cool personality, but was able to spend today in a happy mood at the planetarium with the whole family. The next day, Shiro's classmate, Hoshiya, calls out to him. It seems that he loves stories about the stars and was pleased with Shiro he saw at the planetarium. Hoshiya talks to Shiro who is impressed by stories in a field he doesn't know. Although he is puzzled about everyday things, he goes with Shiro, but one day he turns down Hoshiya's aggressive invitation. - And when Hoshiya's mother was bullied by Shiro? This is the fifth spin-off of "Male-line Large Family Series".