Secret Heir

Scarlet Shen, a pretty girl with light expression living in the Human world with different self. she has 8 siblings including her makes it 9, wealthy family, Shen family but most of the people doesn't know the Shen's so that means the Shen Family is not that famous around but powerful enough. Scarlet Shen is known for studying in a common school public and the people around her in private school bully her

12 years of living in the past culture and 4 years living in the modern city. got kick out of the house for some private reason, going to her cousin's house mistakenly going to the wrong mansion, having a revenge for her friend turned out to being chased by mens, hiding somewhere got her first kiss.

5 powerful families as friends except for 1.
the fifth family is unknown and it's not willing to show up unless they make their final decision. making the four family think the the hidden heir is poor and not going to show up unless they have money

who is the fifth family heir?
is the hidden family poor?
what actually the meaning of Scarlet Shen name?
who is the Shen Family?
who the rival of every heirs?
will those student who bully Scarlet Shen regret?
who is this 5 families?