Looking Up at the Half-Moon: Season 1

Even though Yuuichi Ezaki is in the hospital recovering from an illness, he's constantly sneaking out.

One day he's caught by the head nurse, who makes a deal with him: she'll overlook his future excursions if he's willing to befriend a new patient, Rika Akiba.

Due to a serious heart condition, Rika has spent most of her life in the hospital, and doesn't really have any friends. As Yuuichi an...