Kōji Tongari (尖 浩二), or just Tongari is one of the main characters of the series. He is from a rich family but is a scaredy cat. He is a friend of Kiteretsu. He loves his mother alot and sometimes he asks for devices from Kiteretsu for help. He is also known for troubling Korusuke by setting various pranks for him,like in one of the episode Tongari puts on a hat with ponytail which Korusuke has on his head and tries to steal a fruit from the temple in front of the priest,s eyes.He is known to cry very often and he is a mama,s boy as he always takes permission from his mother for whatever he does. He is very similar to Suneo Honekawa and resembles Haromi from the perman series.