I've read too much rape in yaoi so I'm kinda immune to it but in your case, I think you should give it a try and see it for yourself if you can handle it. To be specific, I think the seme rape the uke 5 times!? (Not sure) if you're okay with that, then you should go read! But for me the side stories were better to read since it's cuter and less dramatic than the main story..
Btw, the plot goes like this. Both the seme and uke like the same person (hyung) but the seme is kinda possessive and he doesn't want anyone to have hyung. One day, the seme faps while hyung is sleeping and the uke saw it. Now, the seme threatened the uke not to spread what he saw. But as the story goes, the uke and hyung became closer and the seme get jealous so he threatened the uke to avoid being buddy2 with hyung or else! Then, the uke tried to avoid hyung but the two crossed path and the uke got drunk with hyung and the seme saw it and misunderstood the situation. So he gets mad, took the uke to his house and rape him. And then, it get repeated. Later then, the uke realizes the one he likes is not hyung but the seme instead. And it goes the same for the seme, he wasn't sure of it at first since he doesn't have friends and only hangs out with hyung so he thought it was because of uke he get jealous but instead he is jealous to hyung when hyung hangs out with uke.
It kinda frustrates me how season 1 ended like that. The resolution could have been done better. You can't just end it with a slap to the seme who accused and raped you (multiple times) and then just confessed and hug then sex then tada! They are now a couple!! I wish the seme was given more time to reflect his actions. He did wrong the uke a lots of times so I was expecting for some redeeming arc to the seme to prove that he is really sorry and that he deserves him but nope!! I see nothing!
And in season 2, I don't have to say much except for "fuck the tutor and Jinhans mother! and the fake btch friend!" The side stories were good tho and I like how every chapter of it contains smut scenes! Haha (〜￣△￣)〜