Merryberry Engineer

"It's Reindeer Delivery, fast and reliable! Can't believe I'm finally saying this!"

Merryberry Engineer is a Super Epic Costume for. It is his first Costume, accompanying her release in the first half of the Holiday Training Academy Exam update. It can be obtained either by drawing it from the Costume Gacha or by purchasing it in the Rainbow Crystal Shop.

Story
''Stollen Cookie has finally become an honorable gift delivery train conductor! She even got her cranberry-red suit customized by a tailor. Looking at how tightly she's gripping the handle, she seems a bit nervous... But don't worry! Everyone will celebrate the newly appointed gift delivery train conductor!''

Gift
The following are reused from the Cookie's base quotes.

Trivia

 * Merryberry Engineer was released alongside, , , , , and.