If they open next chapter with a big reveal of ..............nothing happened........... the legend will live on longer! Anime MCs shall never loose their virginity
Based on their conversation, I'm not sure why, but I'm beginning to suspect he may be, at least partly, demonified, and if so, that it has something to do with that 'son' that died, more than I'm bothered by if he is their real grandson or not. Might explain his powers..