Searching for Love in Love Apartment

Transmigration + soul transmigration + no breaking up established couples + one female lead

A special agent who has just been betrayed in love unexpectedly finds himself in a world full of warmth and beauty. Here, he has the most sincere friendships and a love that lasts until death! Because this is where the petals drift from! His best friends live next door, and the one he loves most is right across the hall. This is Love Apartment!