The story of Hantsuki focuses on the budding relationship between Yuichi Ezaki and Rika Akiba. Both teens are hospitalized in Yuichi's home town hospital for... more>> their respective conditions. Yuichi has hepatitis A which can be cured with rest, while Rika has problems with a weak heart valve (cardiomyopathy, to be exact) that can only be cured with a risky operation. These teens would then fall in love while they spend time with one another. <<less