Isekai Ojisan

Ojisan in Another World; Isekai Uncle; My Uncle in Another World; 異世界おじさん

Sinopsis Isekai Ojisan

Isekai Ojisan manga summary:

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.

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