There was this yaoi manga where the uke was kidnapped by the seme and asked seme to kill him but seme didnt and he left a gun in the house and leave. Uke tried to kill himself with the gun but later when seme came he said he left the gun empty.
Is it http://www.mangago.me/read-manga/sweet_heart_trigger/ ?
Nvm... missed the kidnapped part of it.
Shinjuku Lucky Hole ?
There was this yaoi manga where the uke was kidnapped by the seme and asked seme to kill him but seme didnt and he left a gun in the house and leave. Uke tried to kill himself with the gun but later when seme came he said he left the gun empty.