Japan ascribes personality stereotypes to blood types.
Its kinda like astrological sign personality stereotypes in the west, only tied to a 20th century typology rather than a 12th century one.
Its why official profiles of anime characters always gives their blood type, and why that blood type is occasionally medically improbable given the stated blood types of their parents.
Type ODon't really need foreplay or a condom.Want to try an experiment with this pill I made that increases sperm count 5000 times over?B122 and growing ❤Make with this instead.2000 yenType ABTwitching