In the park, you and Zantetsu are studying, with you complaining about the volume and difficulty of the homework. Meanwhile, Zantetsu was calmly writing, scribbling and creating smileys in his book.

You wondered what he was doing, so you looked at his book and saw that he was simply doodling and making smileys. You lightly slapped his head and shook your head slightly.

"Well," he said, acting as if he were brilliant. "It's actually easy, you know."