During the day, Lu Shu appeared to be an attentive student in class, while actually he was thinking about the execution of his plan at night.

But when he happened to catch a glimpse of Sakurai, he realized she seemed to be in deep thought. Lu Shu was curious, because she had never looked so worried before.

Lu Shu asked, "Are you thinking about your keys and wallet?"

Hesitant, she replied, "Not at all, sensei… Are you concerned about me?"

"Err…" Lu Shu was at a loss over what to say. Then, he chose to give up and continue sleeping instead.

A smile suddenly appeared on Yaeko's face. Maybe Kiriharakun was not as complicated as expected, she thought, my teacher could have over-read things.

The speculation grew stronger in Lu Shu's heart, that something might have happened to Sakurai. Please don't affect your teaching at this weekend's martial art lessons…

At the moment, however, there was no time to care that much. Lu Shu had understood that the best thing this Japan trip had to off