The Shadowed Upbringing of a Besotted Sorcerer
Read the storySatoru doesn't know why Megumi Fushiguro took over him when he was a young, aparently because he deserved to live like a normal boy, now that he is fully an adult he just wants to thanks them for everything(and also Satoru having a not so evident and obsessive love crush for his mommy Megumi), Megumi 'accidentally' raised her own lover