A two part collaboration series between Yugo Sakamoto (and his Kunioka series) and the fashion label Black Brain Clothing.

Retired Yakuzas open a ramen restaurant and become an overnight sensation, thanks to their recipe developed in prison. But a mysterious upstart gang is taking down every Yakuza family one by one, drawing the chefs back into the gangland underworld once more!

Two high school girls who are about to graduate also happen to be highly-skilled assassins. When the organization they work for orders them to share a room, their relationship quickly sours. But when they become targets of the yakuza, the girls realize they'll have to work together to survive.

Ryo, a college student who is about to drop out of college and is scolded by his father at home, spends his days in depression. One day, he plans a cannabis thief with a group of three bad friends.

Fukami is a high school janitor whose father was a gangster. He works at the school as a janitor instead of belonging to the gang so he can watch out for Yui, the daughter of his deceased father's brother Majima Yoshiki. One day, a gang feud erupts and Yoshiki is killed. Yui becomes the next target.

A respected teacher’s life unravels after a brutal assault and a public humiliation. Now, he must choose between silence and revenge.

The story centers on the daily life of college dorm roommates Yumi Irisu and Ruka Kujirai. Ruka, the older of the two, is constantly penniless despite her being active in a band. Irisu works part-time at a second-hand bookstore.

A respected teacher’s life unravels after a brutal assault and a public humiliation. Now, he must choose between silence and revenge.

Two high school girls who are about to graduate also happen to be highly-skilled assassins. When the organization they work for orders them to share a room, their relationship quickly sours. But when they become targets of the yakuza, the girls realize they'll have to work together to survive.

Fukami is a high school janitor whose father was a gangster. He works at the school as a janitor instead of belonging to the gang so he can watch out for Yui, the daughter of his deceased father's brother Majima Yoshiki. One day, a gang feud erupts and Yoshiki is killed. Yui becomes the next target.

Ordinary college students dropped by a strange village on the way to their camp. Persuaded by a seemingly friendly villager to stay over, but brutal killings start to occur in the following morning.