KweenPandora's manga / #tragedy(2)

1. idol x fan 2. rich guy x ex classmate with debt 3. 25 years confinement, kidnapped 4. seme is clone but seem like the original, uke lost memory after attempting to suicide so he is made to think that he is a clone

He killed his twin brother by pushing him away and he was knocked by a vehicle. he then become his twin brother's "replacement" and stayed by his brother's boyfriend to take care of him.