>>32729744EH sounds very wholesome
and potentially very hot and seems like a very good plot build-up to OniiShota.
Nowa who at first only liking him as a son, felt guilty when he became aroused by Altare. Altare who became a kid doesn't understand things and got confused once puberty hit him the second time. Since there is no one else to teach him, Nowa has to teach him about it. 