Shouin-kun, have you finished your homework for today?

Kouin is my best friend.

There is a great difference between his cooking and mine.

He is my first cousin once removed.

The miscalculation of his ability was the cause of this project's failure.

My younger paternal half sister is very smart.

My sister-in-law is a very kind person.

Where is your sister?

Where does your younger sister live?

She is my sworn younger sister, and we are always together.