Japanese name:	沢木直保
Nickname:	Souemon

Tadayasu Souemon Sawaki is the main protagonist of Moyashimon and attends an agricultural university in Tokyo as a freshman. His middle name is the yagō of his family home; it is usually omitted, and he is called "Tadayasu Sawaki". He is a childhood friend of Kei Yūki and his parents run a mold starter producer. He is able to see and communicate with bacteria and other microorganisms.

Seiyuu: Sakaguchi Daisuke

MAL

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