1.Japanese for "Big brother"
2. The incest trope that makes up 80% of anime (anime and irl japan are often in stark contrast with each other)
I always felt special being his little sister, especially when he brought home presents just for me and no one else. I wanted to be with him wherever he went. I was so in love with my onii san
Like a sibling + best friend
Someone to keep saying "Im proud of you my son"
So-called 'second mother'; glorified slave of their younger sibling (especially if it's a brother)/parents
I don't have a big sister
glorified slave of their younger sibling (especially if it's a brother)/parents
I don't have a big sister
A slave of her parents family and younger siblings (particularly brothers)
I don't have a big sister