https://novelib.com/story/sugar-trap/
A large chunk of it is free and the rest is getting released weekly! Be warned though the organization/punctuation is an utter mess so it can be hard to follow. Escpecially dialogue. You'll get what I mean as you read.
Near the end of 17 is the start of that encounter then 18 is the spice ;) but I would encourage anyone to read from the beginning, you get way more insight on what the hell the two MCs are thinking/feeling throughout the story. Gives a lot more context so things start to make more sense than so far in the webtoon format.
I want to read the novel badly.