Aspergillus niger is a fungus and one of the most common species of the genus Aspergillus. It causes a disease called black mold on certain fruits and vegetables such as grapes, onions, and peanuts, and is a common contaminant of food. It is ubiquitous in soil and is commonly reported from indoor environments, where its black colonies can be confused with those of Stachybotrys (species of which have also been called "black mold").

Enter Tadayasu, a freshman college student who can see and talk to cute, chibi bacteria and other microscopic organisms. It's not all fun and games like it sounds, though, because it gets him into all sorts of trouble. Join Tadayasu as he enters his first year at the Agriculture University, what crazy events await him?

[Twitter](https://twitter.com/yoshidahisanori)

Yoshida is a graduate of the literature department at Keio University. He also attended Azabu Middle and High Schools, considered one of Japan's most prestigious preparatory schools. He joined the Nippon Broadcasting System radio network in 1999. He is an announcer on Nippon Broadcasting, although he has also hosted shows at other radio companies.