From how she was unable to come up with a proper excuse to bring Kazuma out of her son's room. It shows that Shota inherited his "big brain" from his mother
I wish he could manage his affairs better,these are old women so he should just **** them so that they get super exhausted and he leave still enegetic cause now his number is growing he might need to bang way more than 1 a day. Hopefully as it goes on he will be able to control them and keep all a secret while enjoying being a boyfriend with no threat to his woman
10102020oo