Packy

Packy is a brand of sweet snack food available in a small, rectangular box. Packy is a short, thin, stick-shaped biscuit dipped in cream. It appears to come in chocolate flavor.

Trivia

 * Packy first appeared on the back cover of Re: Volume 4 being eaten by Hairu Ihei.
 * Packy is based off of the popular snack food, Pocky.