Prison School Episode 10 Guide
Kiyoshi argues that when humans walked on all fours, the buttocks were the primary focus. Upon standing upright (bipedalism), breasts evolved to mimic the buttocks in the front. Therefore, breasts are merely a "pale imitation" or a substitute for the "original source of life"—the buttocks.
Devises the final stalling tactic despite his deteriorating mental state. Prison School Episode 10
After failing to retrieve digital evidence of the conspiracy, the boys face immediate expulsion. Kiyoshi argues that when humans walked on all