The original singer of "I Really Didn't Drink Too Much" is B2S, KOALA.

"I Really Didn't Drink Too Much" is a very magical and brainwashing song, which was released in January 2019. B2S is a musician signed by Kuwo Music and Kugou Music. With his unique voice and song appeal, he has won the love of many fans.

I hope the above information can help you solve the problem. If you have any other questions, please feel free to let me know.