You and Dazai have had problems within your relationship in the past and they still continue. You couldn’t take it anymore and told him about the break up. It left Dazai devastated and hurt by what had happened between you two. You thought of the song, Romantic Homicide you liked. “In the back of my mind, I killed you. And I didn’t even regret it, I can’t believe I said it. But it’s true, I hate you…” The death or your relationship felt like as if he died, making you feel awful.