Seiichi Tachibana

One of three people living inside Guu's stomach world. Like Tomoyo, he is a friendly high school boy who doesn't seem to mind living inside of Guu. He is good friends with Tomoyo and is even possibly her boyfriend.

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Seiichi Tachibana

One of three people living inside Guu's stomach world. Like Tomoyo, he is a friendly high school boy who doesn't seem to mind living inside of Guu. He is good friends with Tomoyo and is even possibly her boyfriend.