Kazuki Kei meets his unwilling end by the hands of a robber on his first shift as a convenience store worker, being told by the assailant that 'he is needed in the other world' he finds purpose in the words of a killer, waking up in another world he finds himself searching for answers that no one...

Having the burden of taking care of his little sister who is a shut in, Ryo decides for himself to pull an all nighter for the finals exam only to die in the process. After finding himself in another world in the slaves quarters of a noble household he is determined to find a way to support his ...