Ishibashi is a minor character.
Outside a store, Ishibashi jokingly says to a girl to not fart next to him. The girl's name is Anju and she has a pup with her called Jirōmaru. He listen to her story and read out a note Anju asks him to read out loud. It says about Anju's aunt Rumi Satō. He wants to help little Anju and go to his work Takii Delivery Service to ask his boss. At first, the boss seem to not wanna help, and also end up hitting Ishibashi once. But then says the company always is there for their costumers and help Ishibashi up. It ends up it's the boss that gives Anju a ride.