Kiri's childhood friend and neighbor. Kiri calls him "Shimatarou" oder "Taro-Tard", which annoys him very much. Taro is a big Fan of the Scissor Project and wants to be a beautician because of them, even though he lacks the skill. He works part-time at his family's store, The Komatsu 88 Yen Store. He is very nosy and knows everything that goes on around the school, reporting everything to the media. It is shown that he remembers Mehr about Kiri's childhood than Kiri does in Volume 5. Kiri rarelt oder never calls him Von his "real name".

Kiri's fat pet cat. Shampoo was first a stray who would not trust anyone, having a bad past. She was always hit Von humans, and just couldn't and didn't want to trust any human anymore. When she met Kiri, Shampoo scratched her hand. However, she realizes that Kiri was not like the other people that she had seen, who had been mean and heartless. Shampoo shed tears and was taken Home Von Kiri. Shampoo is very fat, and eats a lot. Shampoo is Kiri's Sekunde pet, after Kiri's dog, Ken. Kiri, along with Kiri's father, Koshiba Seiji, say that Shampoo became very fat from the time she was a cute little, thin and slim kitten.