Shiganai Mob Reijou na no de, Ouji no Kyuukon wa Mi ni Amarimasu!

Summary

"I just want to live a peaceful life, so please let me decline this engagement!!"Misaki, a baron's daughter attending the Royal Yulis Academy in the Kingdom of Welfe, is actually a reincarnated person. As it turns out, she's been reborn into the world of an otome game she absolutely loved in her previous life!She may only be a mob character, but she's perfectly happy just watching the trio of close friends from afar, the devilish son of a marquis, the calculating four-eyed son of a duke, and the cool yet slightly airheaded second prince, who also happens to be her favorite.Meeting the villainess and the heroine in real life has her over the moon until, by a twist of fate, the prince somehow starts taking an interest in her?!