The Baroness's Daughter Packed with Heroine Elements Wants to Live Like a Background Mob

The protagonist, born from a common class-difference romance, was the illegitimate child of a baron, but after her mother passed away, she became a baroness's daughter. As expected, she enrolled in an academy attended by nobles, but the prince there, the lady who is his fiancée, the prince's aide―――In a world with a world view like an otome game, this is a story about a protagonist with the typical background of a heroine working at her own pace. The setting is vague. Please note that there are many points to nitpick.