Compilation edition of various Yamamoto one-shots published between 2008 and 2021 plus brand new extra material.

A manga about the slow life of Izuma. This book is the 2019 entry in the "Izu Mantama series". It features 4-koma from published between 2015/9/24 and 2018/5/16 in Comic Beam, and chapters published in the same magazine, from the issue 2017/4 to 2018/12.

If you're full, you'll be happy. Even if you're not in the city, even if you don't have money, if you're full, you'll be happy. A little bit far from the city, there sits a mountain village filled with greenery. Junior high school students Kimi and Shiromi lives there with their three chickens. Even though they don't have parents, they don't mind. Because, you can fill your stomach with 'eggs'! Let's take a peek at their mountain village life. (Source: Kadokawa, translated)

Who will protect the Earth when its people are harassed ? It's Hero Harassment, the super-hero who helps people in times of need ! (Source: Kadokawa, translated)

This science fiction human drama is centered on an alien living in Ikebukuro, assigned to explore the Earth. Unable to understand its people, whose only concerns are “money” and “sex,” the alien is on the verge of losing his confidence as a member of a xenoprobe team when one day he meets a man who calls himself “Honda,” an Earth name. The alien begins to respect Honda, who guides him around town as a “space senior"... (Source: Natalie, tranlated) *Published in the Comic Beam in the late 90s, it was releassed in tankoubon format 20 years laters in 2018.*

One day of summer of an ordinary family. This one shot highlights little moments of the day, not special, but precious. (Source: Kadokawa, translated)