doe-eyed
US /ˈdoʊ.aɪd/
UK /ˈdoʊ.aɪd/

1.
having large, dark, innocent-looking eyes, like those of a doe (female deer)
:
•
She looked at him with wide, doe-eyed innocence.
•
The child had a sweet, doe-eyed expression.
having large, dark, innocent-looking eyes, like those of a doe (female deer)