Casual — to friend
Dining · Service
トイレ、どっち? — Where is the restroom? (Dining · Service, Casual — to friend, JLPT N5)
You
トイレ、どっち?
といれ、どっち?
Where is the restroom?
Romaji: Toire, dotchi? / Reply Romaji: Atchi no tsukiatari o migi dayo.
Reply
あっちの突き当たりを右だよ。
あっちのつきあたりをみぎだよ。
It's at the end of that hall on the right.
Gesture & etiquette
Point with your index finger in the direction of the restroom.
Avoid being overly formal or using polite language as it creates distance between friends.