"Wroga is green, and Rinlin is also green; Wroga will travel everywhere, and Rinlin will play football everywhere; Wroga will send me postcards, and Linlin will send me various photos; Wroga has many friends, and we, Linlin, also have many old enemies. And the most important thing is, Wroga and Rinlin have never appeared in the same frame! So, why is Itoshi Rin not a "Traveling Rinrin"!"
Concept: Why is Itoshi Rin not a traveling frog?