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Second season of Ketsuekigata-kun!
Are people really defined by their blood types? A, B, AB and O-Type are here to set things straight. Whether they're trying to cross a bridge, sharing their hearts or meeting aliens, the four blood types continue to prove – or disprove – popular theories about themselves. Does B-Type like rules to be broken, is A-Type cautious and naïve, and is O-Type a peacemaker?