The dad just insulted himself: "if the child did something wrong it's the parents fault for teaching them wrongly" his son did something wrongly........
Return/Revenge manga:
https://mangamonk.com/manga-list/106782
Isekai manga:
https://mangamonk.com/manga-list/106785
Other manga:
https://mangamonk.com/manga-list/107747
