Falling for my ex-boyfriend (Hana Fujiwara x Dazai Osamu)

This is a story about Hana Fujiwara, a high school student at Sapphire Academy. she's currently a junior there. Unfortunately, she met an unfamiliar face again, it was her ex-boyfriend Dazai Osamu.is she falling in love with him again or is her heart gonna break for the second time ?