헬로우 그래머 캣 4: 동사의 현재 과거 미래

Hello Grammer Cat 4b One day, cat humans suddenly appeared!I have a disease that I can not! To treat rose disease, Louis and Ed go to find a legendary doctor. However, this legendary doctor was unable to cure the rose because of his status. Louie secretly takes this doctor and he heals the rose, but he lets Ruby know about it. On the other hand, roses find out that the contents of "Gramercat" become clear as much as they know the grammar. I want to learn English grammar and read books!* Hello Grammer Cat 4 can learn about current, past and future of the company!