Japanese Blood Type Personality Chart
Type A
Best Traits: Earnest, creative, sensible, compassionate, meticulous.
Worst Traits: Grieve, fastidious, overearnest, credulous.
Type B
Best Traits: Wild, a doer, cheerful, active, eloquent.
Worst Traits: Selfish, irresponsible, bigoted, classist.
Type AB
Best Traits: Cool, controlled, rational, logical, sense of equity.
Worst Traits: Critical, indecisive, double character, cavalier.
Type O
Best Traits: Agreeable, sociable, an optimist, kind, cobby.
Worst Traits: Vain, careless, shallow, opportunistic.

Information from here.

  • This perspective on blood types is not canon for the chat nor do you have to base your character off of it. It is simply one perspective on the use of and reasoning behind organizing by blood type.

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