what is this light novel called?

whats that light novel called when the mc transmigrates and falls into a eorld ruled by the 7 deadly sins as duchies and i think he starts off in pride? anyway he goes to this school and meets the other deadly sins’ kids and theres gluttony and envy/or lust. envy or list has a lot of kids and theyre pit against each other in this dungeon to find out whos the strongest. i think the kid’s name was fae? might be wrong. the mc gets beat up by envy’s pr lust’s mother and gets sent to gluttony territory but gluttony’s parents died and the land is full of chickens and theres a blind priest. pride goes somewhere through a portal to avenge his dead wife and dies

thats all i read up to i think