Ketsuekigata-kun! 4 / 血液型くん！4

Is asking an A Type for cold medicine the best on sick days? What does a B Type wish for on New Year's? Can an AB Type really outsmart a demon? What are O Types like when they end up in the hospital? Which type has the best plan for the dreaded "Valentine's Day and White Day at the office" scenario? Find out the answers to these typical situations and more in the fourth season of Ketsuekigata-kun! ...