Yulia is reincarnated in a world set before the start of an otome game. She started working as a maid in the castle, but she is serving the princess who appears as a villain in the game! "I won't let this cute princess become a villain!" Rumored as a tough, impregnable maid, she herself will make sure to show the princess happiness! She will use her knowledge of her previous life and the life of magic to change the future of the game is what she thought, but for some reason, a knight who showed interest in her appears! Not taking falling in love into consideration, follow this talented maid through her fantasy!