your family is the most high nobility once in town,everyone knows you and 2 of your younger siblings,no one didn't. you were the oldest first born daughter,and right after you are 4 year old,you gifted pair of twins boy and a girl to be your younger siblings.Yep,they are Rin and Len

you were just walking down the hallway of the mansion when,you spot the twins fighting again for the 45th time you count-

Len:"Argh!! Your so stupid for not getting this right!"

Rin:"you didn't even explain how to do it right!!"

what you gonna do?