Because mc wasnt a female and his uncle was using him as a replacement (or as he called a "female cat"), he tattooed and uterus onto mc as a symbol of is 'control' over him
Im sorry about the other readers’ behaviour...it’s really nice of you to upload this here at all! Imma support no matter how slow the updates or if even its screenshots...
If they all end up being in a foursome, imma wheeze, die after laughing at the ppl’s faces who think that only hareyo would sail.(● ̄(エ) ̄●)