Girls, hi! Today I found out that my dad has a daughter from another …

Girls, hi! Today I found out that my dad has a daughter from another woman, she's somewhere between 14 and 15 years old, and I'm 24)) He was on a business trip in Alma-Ata when he cheated on my mom, I clearly remember it, I was 4-5 years old, they argued and he left home, and of course then he returned, and here I want to find her, I'm the smallest in the house, I always dreamed of having a sister or brother, I felt sorry for my mom, but I was very happy that I have a sister, and how would you react?