Fantasy Bishoujo Juniku Ojisan to
Life with an Ordinary Guy Who Reincarnated into a Total Fantasy Knockout
https://myanimelist.net/anime/48997/Fantasy_Bishoujo_Juniku_Ojisan_to

どうして「おじさん」がan Ordinary Guy になるの？
ordinary manって凡人って意味だよね(;´Д`)