Pink Koupen-chan (and other color variations)
C: Koupen-chan Color Variation
They have no idea [that their color changed]
Pink Koupen-chan
A Koupen-chan that drank strawberry milk. They'll return to their original color after a little while.
C: Koupen-chan Color Variation
“Cheerful”
C: Koupen-chan Color Variation
“Calm”
Matcha Koupen-chan
A Koupen-chan that drank matcha green tea.
They’ll return to their original color after a little while.
Koupen-chan: Prim and proper...
C: Koupen-chan Color Variation
Chatty
C: Koupen-chan Color Variation
They don't feel cold
Aqua Blue Koupen-chan
Why they are aqua blue has been and will forever be a mystery. They will return their original color after a little while.
C: Koupen-chan Color Variation
Observation
C: The Mystery of Aqua Blue Koupen-chan
Yokoshima Enaga-san: They didn’t turn blue even from Blue Hawaiian shaved ice or Ramune! My investigation of that one continues…
TN: Ramune is a type of soda, often associated with a light blue color.
C: Koupen-chan Color Variation
Remarkably warm
Houjicha Koupen-chan
A Koupen-chan who drank houjicha (roasted green tea).
They will return to their original color after a little while.
Koupen-chan: I'm getting warm~
C: Koupen-chan Color Variation
They’re always warm
Koupen-chan: Here’s a good morning hug! For some reason, I’m warmer than usual…
