Yuri's manga / #creepy mom(1)

what the fuckckckkckkk Is this incest? Nobody knows, the only thing I do know is that Sei's girlfriend is good for him and his mother most certainly isn't. The mother is extreamly toxic, homegirl is gaslighting her son so much I'm surprised he hasn't burnt into nothing-ness yet. Anyways, on chapter 40 rn