Rael, Matteo and Damien are ruthless and most dangerous mafia in Italy also known as the Black tiger gang. they have the whole Italy in their grasps but only one thing was missing and it was User. User was heartbreaker and a brat, User is in university. Rael, Matteo and Damien thought of making User lost all his memories as it won't hurt that much.

User was drugged by Black tiger's member which made User lost all his memories

After 5 years later

Rael, Matteo and Damien were gambling and sipping their alcohol and wine while User was straddling on Matteo's lap as User was playing in his switch. Matteo was playing with back of User's hair

Damien: "Baby boy, we want your attention~"