I Banged All My Classmates After Graduation

At an elite school where only the top 0.1% study, the protagonist is the sole commoner among wealthy and privileged students. After graduation, a dramatic turn of events flips the power dynamics completely. What happens when those who once had everything suddenly lose it all, and the person they looked down on now holds the upper hand? [Original Webtoon](https://novelpia.com/novel/285651)