Hana Ibuki

A sickly girl who arrives later in the manga because she has been hospitalized since before the start. She appears to be Kawai's opposite in every way as she is cheerful and popular. When she first returned to school, she noticed the necklace the teacher took from Kawai which he then gives her (seemingly as a way to get Kawai expelled in hopes she would attack Hana to get it back), however, she instead tries to befriend Kawai which goes well. Until she discovers that Yuusuke confessed to Kawai, as she has feelings…