After His Death, He Was Bound to His Ex-Boyfriend GIN.

One night, what does it feel like to open the door and find that your ex-boyfriend who was killed by yourself has turned into a ghost and appears at the door of your house and says "Hi" to you? Regarding this question, Gin felt that he could answer it. The copy is not completely written yet, so I'll add some information first: 1. The protagonist is indeed dead! 2. Medium volume, about 100,000 words Purpose: Cherish life