there's actually a blcd based on the novel, and the website that made it posted two trailers. i couldn't buy them because the website required korean identification to register as member but even just from the trailers i was already crying like a twig got stuck in my eyes
book 1: https://soundcloud.com/audiocomics/trailer-6
book 2: https://soundcloud.com/audiocomics/trailer-8 (a bit nsfw-ish on the first minute)
FUN FACT: the manhwa doesn't show it because dicks are censored but in the novel, jürgen has marble piercings around the corona (underside of the head) of his dick!
it's in korean and you have to buy it to read it, here's the link https://ridibooks.com/books/3086000202







really telling of his age because he's referencing cinderella's stepsister lmao. but yesung's ost for that drama is a legendary bop