Xuanwu (Chinese Taoist god) / the Black Tortoise, literally "Black Warrior" (one of the Four Symbols, who keeps watch in the north).

encouragement

encourage

round face

part, component, short for 部分品

Brown; Braun

"bloomers" (shorts with elasticized cuffs, especially those worn by schoolgirls as gym shorts) / bloomers

Onomatopoeia for the sound effect associated with an incorrect answer.

煮頃鮒: nigorobuna (Carassius auratus grandoculis), a type of 鮒 (funa, “crucian carp”), an edible freshwater ray-finned fish related to carp and goldfish, endemic to Lake Biwa in Japan

rural district