Second Lead, First Love (sunsun au) Sunoo doesn’t know how he got reincarnated into a novel. All he knows is that his sister, the main character, was stupid enough to reject Prince Sunghoon, the second lead — so he takes matters into his own hands.

✨ english AU ✨ narration-heavy ✨ lots of side ships ✨ isekai fanfic ✨ retweets and likes are appreciated ✨ purely based on my imagination ✨ doing this with the help of my irl @leeaceseung