an old man dies by mistake, so he journeys through different towns after being isekaid, then he introduces new products. cute and very slow. plus he is overpowered
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Jiisama ga Iku