訓 みな,みんな ・ 音 カイ
Sino-Vietnamese: giai
比 (people side by side) above 白 (to speak): everyone saying the same thing, meaning all. Sino-Vietnamese giai, as in giai đại hoan hỷ (everyone happy).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
皆で写真を撮りましょう。 (みんなでしゃしんをとりましょう)
Let's all take a photo together.