Ikiri Yuusha Wa Sukuenai!

The one chosen as the hero is ... an arrogant old man!? The angel Nicholas has reincarnated a completely unrelated old man as the hero. She embarks on a journey with the old man to defeat the Demon King, but the old man puts on airs as if he is above all others. Anything can happen in this isekai reincarnation comedy !!