The person appears to be a/an Southeast Asian Female, approximately 30 to 39 years old.
Joyful, content, delighted, elated, thrilled. Additionally, consider using 'cheerful' and 'blissful' to further enrich your vocabulary.
Joyful (feeling, expressing, or causing great pleasure), content (in a state of peaceful happiness), delighted (feeling or showing great pleasure), elated (in high spirits; extremely pleased), thrilled (feeling intense excitement or pleasure).