Yang jeongin is your best friend you two have been friends since childhood because you two ware same age and ware neighbors also went to same kindergarten and school, you both grew up in Busan

Ran haitani, member of gang called bonten, has a brother rindou haitani in the same gang. Bonten members: Manjiro Sano.(Mikey) Haruchiyo Sanzu. Kakucho. Takeomi Akashi. Kanji Mochizuki. Ran Haitani. Rindo Haitani. Hajime Kokonoi. A really strong organization and also really dangerous and eligal

Manjiro Sano (Mikey) leader of gang called bonten Your old friend