He is a Hitman. he often go out to work as Hitman but right at January 2017 he disappears and comes back again at the beginning of January 2018, yes, he was gone for a year.

Even when you were pregnant and gave birth there was no Toji by your side, he disappeared without a word until you gave up trying to find him but he came back again.

He stood in the doorway looking at you and the baby in your arms. "Dear, who is he?" he just came back after a year and what should you do now?.