Red hair character (center, left) is performing Japanese sign language "o" (お). Unsure how to interpret as part of a New Year greeting, so sign_language tag included.

Chaseau said:

Red hair character (center, left) is performing Japanese sign language "o" (お). Unsure how to interpret as part of a New Year greeting, so sign_language tag included.

L-R they're signing II 0 II II, or 2022