Agassi, Naui Juingongi Doeeojuseyo

After dying from overwork in her previous life, Beth finds herself in the world of a novel she was reading. While she's reborn as an unimportant side character, she ends up working for the house of the novel's villain, the strict Lady Claire. There, she witnessed first-hand the abuse and negligence a young Claire goes through and decides to stop her from becoming the main character!

Note: This is a promotional one-shot for the novel of the same name.