This manhwa specifically, the plot has plenty of tension in itself, but it ruins it all with Zhenya's constant abuse against Taekjoo (it's not until like 600 pages in the novel when he stops actively raping him). So unnecessary and Taekjoo glazes over it so quickly it sickens me.
You know sometimes(all the damn time) it's okay to not add any type of rape and stuff trust me the plot would still be good/better without it