Kira fell in love with a boy named TJ Kippen. He could never love her though because well hes gay. She didnt know that so she fell for him. So hard she got the hanahaki disease. The hanahaki disease is a side effect of one sided love.
So each day Kira would puke blood and hanahaki flowers. She kept trying to get close to TJ but it didnt work. Andis party was her last chance. She tried to get TJ but it didnt work. He ended up dating Cyrus Goodman.
So she died that night and nothing could save her and Cyrus and TJ lived happily ever after.