MC dies but transferred to another body, ML grieves over MC's death

MC is a reporter who died while trying to uncover corruption in an entertainment company. He woke up to be the top actor's (ML) fck buddy. ML has a crush on a hyung but has not been in contact with him for a long time. Idk yet but it's implied that the hyung is MC... so yeah... we'll see

After a car accident, Taemin finds himself in the body of Siwon, a victim of bullying at school. No longer a pushover, he starts standing up for himself but then meets Woojin, an old friend from the past. Somehow, Woojin immediately picks up Taemin's 'scent' from Siwon. What happened between these two in the past and how will it affect their future?

[Guideverse] MC is a war hero and a guide who has a broken leg. He wanted to retire for a very long time but on the day of his retirement, he becomes the guide of the ML who's much younger than him.

One day, while on a mission, MC died.

As he laments not retiring before his death, he wakes up to find himself many years into the future and in the body of a complete stranger.

MC, a loan-shark died in a car accident together with an idol. In the afterlife(?) the idol asked him to take care of his younger sister on his behalf.

MC woke up in the hospital in the idol's body. Even worse, the idol was an infamous idol who would do anything for money, had multiple sponsors, and was apparently about to abandon the boy band he was a part of to sign a new contract with a larger agency.

Idk if this is true but it was implied the ML is the MC's right-hand man as a l

Kinda.. MC didn't actually die but he possessed the body of a high school boy for half a day. The boy's teacher, who is MC's friend (and the ML) recognized him.