I'm Not Even an Otome Game Mob Character

Issac, who has memories of his previous life in Japan, is an apprentice gardener of a duke’s family.The duke’s house was the house of a rival daughter of an otome game played by his younger sister!But I realized that I’m not a mob in the game.There is no possibility of being caught up with the rival and facing ruin.Does it make sense for me to have memories of my previous life?That’s why I aimed to become a gardener without worrying about being in the world of an otome game.