Me an my cousin are having a lesbian relationship? is that right?

i'm having a sexual relationship with my cousin shes 15 and i'm 14, it started when we were sharing beds when i was 14 because my parents were made homeless and we stayed with my auntie, we just used to play fight and started playing with each other and started touching, now we have sex with each other every night and our parents don't know, is this right?