The weak Kurosawa Formation was unable to protect his sister, so he could only take his sister into the quagmire.
Later Kurosawa Formation became Gin.
When Gin clearly realized that all the misfortunes he encountered were due to the organization, he decided to fight to the end.
The powerful Gin gained the ability to protect his sister, and then he... Took the time to fall in love with an FBI? ? ?
Cp gin, Akai Shuichi