Hapipina possesses violet and off-white fur, dark tan cheeks, and striking purple eyes accentuated by heart-shaped markings. Her features include dot eyebrows and a small tuft of hair held by a green headband, which displays a bow and a gold cracked egg pin. She wears pants patterned with yellow stars.

In the Cocotama World, she serves in the respected "Let's Send Happy Stars" division, tasked with distributing daily happiness to humans. This vital responsibility positions her as a role model for apprentice Cocotamas.

Her personality radiates brightness and honesty, though a formidable intensity surfaces when angered.

Hapipina takes on a significant role primarily within the theatrical film "Eiga Kamisama Minarai: Himitsu no Cocotama: Kiseki o Okose ♪ Tepple to Doki Doki Cocotama Kai."