I'll Pawn the Rest of My Life in Exchange for You Being Fine for a While

-Time Pawn Shop: Use your life, memory, emotions, and senses to pawn in exchange for a chance for others to "reverse their fate." ​ - Pawns are irreversible. The more you pawn, the more you will be forgotten by the world and eventually turn into nothingness and no one will remember you. ​ -The male protagonist was born with a heart disease and could not live to be 20 years old; the female protagonist is a night watchman at a pawn shop and can see the death dates of others, but she cannot see herself.