Responses
If it helps, maybe he was 18 at the time. Ayafumi seems to be in his early 20’s. The age of consent in Japan is also lower than it is in the US. Not that it’s an excuse for his actions of course, since it’s obvious the author used the sister’s “teachings” as a plot device to make it seem like MC’s “sex” was consensual.
All they literally needed to do was age up the fucking kid and this would have been a normal love story but nooooo just had to make bro a minor