Ketsuekigata-kun! - S04

What's the best way to ask an A Type for cold medicine when you're sick? What do B Types hope for when the new year begins? Can an AB Type really outwit a demon? How do O Types behave when they land in the hospital? And which blood type has the best strategy for handling the awkward office traditions of Valentine's Day and White Day? These everyday questions and more get explored in the fourth season of "Ketsuekigata-kun!"