bluebear's manga / #cute(1)

Storyline: This is about the MC who is a was an office worker and like a group member Jay. However he went back in time and was confused as to why. He became the manager of a new upcoming idol the ML. The MC Stans Jay but fell in love with the ML and turns out they were together before he traveled back. They were in an accident that caused a loss in memory. So they try stopping it but in the end they move to the present and the MC forgets but remembers later from a package he sent himself. Side couple: Rose has debt and uses his body to pay it back to his sponsor. In the future he kill’s himself but the SC goes back to stop it. They get blackmail from a group member and he was able to open a cafe as owners.