During a late night mission, megumi refusing to rescue dead bodies while yuji and nobara insist they do so. Him not even helping him but ending up risking his life to save a child he heard crying, after they left they place.

He'd walk out carrying the kid, covered in blood and drenching in rain while covering the kid with the jacket of his uniform. His friends taunting him and calling it his "omega instincts" but he ignored them.

Holding the kid in his lap while he sleeps, insisting on keeping the kid till they find his parents, getting to know they died do the kid will be sent to an orphanage. Megumi insisting they keep him till he recovers from the trauma. Months pass and he gets attached to the kid, begging gojo to be the kid's legal guardian so he can stay with them.

Ending up keeping the kid and raising him, sharing his dorm and taking care of him. Only to end up getting mounted by the kid who grows taller and bigger than him, getting raped and abused when his first rut hits.

He would regret ever saving him.