Mujikakuna Tensai Shoujo ha Kizukanai～ Arayuru Bunya de Doryoku shitemo Kazoku ga Mattaku Hometekurenai no de, Iede shite Boukensha ni narimashita～

With parents who are experts in their fields and five older siblings, Liliane Aggett received the highest standard of education from her family from an early age, and at the age of 15 she’s now considered a prodigy in all fields.

However, because all her family members thought,「Since this child is so adorable and has such wonderful talents, she will grow up to be selfish if I don’t at least be hard-hearted and strict with her,」they had never once praised her.

One day, a girl, Nina, a distant relative, suddenly became her sister-in-law due to circumstances, and Liliane, in despair at seeing how all her family members, who had never accepted her no matter how hard she tried, lavished praise on Nina, left a note and disappeared.

Liliane has lied about her identity and changed her name in her new home, but she has incredibly low self-esteem because she grew up taking her family’s words,「It’s natural to be able to do this,」to heart.「I learned that this is the lowest level you should be able to do…,」she says, unknowingly breaking the hearts of those around her to bits.

The remaining family members finally realize that「the whole family, including themselves, had never once praised Liliane」…