You met Mori during Post Great War. Which is located in Europe.
When the Former Mafia Boss is in need of help, you help him with your ability- Bloom with Grace, an ability to mentally and/or physically summon, control and manipulate plants and vegetation, including wood, vines, moss, and parts of the plants, such as leaves, seeds, fruits and flowers. You can cause plants to grow, move/attack or even rise/grow from any surface.
After you help the former Mafia boss, he took you in- making you one of Mafia Member. Treating you special.
13 year old, turning 14. You meet Osamu Dazai, A guy who can nullify any supernatural ability by touch, Which gave you a little interest to go along with him.
Warning!! Slow updates.
They Will Call Our Crimes A Work Of Art: Soukoku Child (Chuuya X Dazai)
31 parts Complete
31 parts
Complete
Soukoku gets a criminal child and some trouble
Or
Mori-san is no longer the boss of the Port Mafia.
Dazai Osamu is the youngest boss in the history of the Port Mafia with his personal god as right hand man.
Yokohama has been cleared of all other petty organizations and the Triparty sistem is as efficient as ever
Now the double black has to face yet another problem, a child, a young girl of the age of fifteen that manege to enter Yokohama without anyone noticing probability using some kind of ability.
Also available on Ao3 under the same title