First of all, this isn't a lovey dovey kind of love fairy tail. Yandere Dazai warning-⚠️ Dazai was taken in by Mori to the port mafia and he abused Dazai. After a few painful years, Dazai killed Mori and became Port mafia boss. However, his former partner, Nakahara Chuuya, gets abused by Dazai and a broken love relationship comes about.