Hayate starts his new job at the cafe Shun's sister Asami runs. But then Asami asks him to help Shun with his studying, seeing that her brother is not making any progress on his own...

Souma is really susceptible to cracking up, and even memories will put him into laughing fits. But being self-conscious about this, he always tries to hide it. When he does this again at a clothing store his friend works at, the friend asks him why he does that, especially when it's so easy to tell anyway. Later, Shun also repeats the same sentiment...