Boy Girl Dog Cat Mouse Cheese - Season 1 Episode 3 -

When Cheese accidentally begins writing her new fantasy novel inside Boy's diary, Boy is inspired to live out the life of the novel's great hero! By applying the story to his life, Boy is soon one of the cool kids, making Girl jealous. When she sees Cheese's novel-writing is the cause, Girl helps her write the next chapter to take Boy down a peg or two.