きしょく
cheerful expression; pleased look; joyful look
Noun
喜色きしょく満面まんめんの笑えみを浮うかべているけど、彼かれ、よっぽど嬉うれしいことがあったんだろうな。
You could tell by the ear-to-ear grin that came to his face that he really had something to smile about.