にっこりnikkoriニッコリnikkoriにこりnikori
1.
A manner of displaying an outward expression of happiness or contentment, often characterized by a gentle and cheerful smile that reflects positive emotions.
2.
The act of smiling in a way that conveys delight or pleasure, typically with an effortless and warm demeanor that brightens one's face.
3.
A joyful and bright smile that suggests a deep sense of satisfaction or happiness, often appearing spontaneously in response to something pleasing.