mmem's manga / #isolated him(3)

Looking at raws (c50) looks like ML was MC’s tutor and they liked each other but then big bro rapes ML & abuses him, eventually can’t take it anymore and tries to kill MC which causes amnesia and leads to bro killing himself??? c52 he breaks his ankle!, finally starts snapping out of his craze in c53/54

c4-5 smex; c7 pregnant; c9 smex; c10 ML’s pov, he isolated MC & turned him into an omega to keep him (killed his parents!)