俺が信じていた仲間は全員、悪徳勇者に送り込まれた刺客だった (Associated Names)

The Hero of darkness Shion was suffering mentally while being at the position of the strongest on the land. It was his companions who completely saved him when he became distrustful towards other people. Although Shion decided to trust people again because of the girls――a tragedy occurred just then. There was a cruel betrayal from…