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The anime adapted from the manga remake version of the Korean webtoon "A Simple Thinking about Bloodtypes" involving the faceless and nameless characters of four different blood types to discuss about popular anthropomorphized blood types (the stereotypes about the blood types) in Japan and Korea.
O-GataMainAkira Ishida · Japanese voice
A-GataMainJun Fukuyama · Japanese voice
AB-GataMainTetsuya Kakihara · Japanese voice
B-GataMainYuuichi Nakamura · Japanese voice
NarratorSupportingKyouko Narumi · Japanese voice