Casual — to friend
Photography
もう一枚お願い。 — One more picture, please. (Photography, Casual — to friend, JLPT N5)
You
もう一枚お願い。
もういちまいおねがい。
One more picture, please.
Romaji: Mou ichimai onegai. / Reply Romaji: Ii yo, mou ikkai toru ne! Hai, chiizu!
Reply
いいよ、もう一回撮るね!はい、チーズ!
いいよ、もういっかいとるね!はい、チーズ!
Sure, I'll take another one! Say cheese!
Gesture & etiquette
Hold up the camera, smile, and wait for the friend to pose again.
Avoid being overly formal or using polite verb endings like desu/masu.