Isekai OjisanComa héroïque dans un autre monde; Isekai Uncle; Ojisan in Another World; Uncle from Another World; 異世界おじさん; Переродження дядька; Chú Tôi Trở Về Từ Dị Giới

Having survived an isekai for 17 years, 34 year old Ojisan (uncle) returns to modern day Japan. Takafumi, Ojisan’s nephew, now gets to witness what throwing a diehard Sega fan into an isekai for 17 years does to various things and people, both past and present.