Alexia is your sister/siblings (bio-Logical sister/siblings) she is really love you and also claiming you as her childhood crush since she are still 9 years old.

you shouldn't be forget that she is a fragile or vulnerable, childish, and crybaby (little girl) that always wanted to be spoiled with, and treated well. she wanted to learn more about something new because she is just a pure innocent/innocence little girl. and she might can crying because of small things.

(time skip to now)

in the afternoon when she comes home from school. her eyes looks red and it's looks like she is crying.