"... That's my plan. Does Teacher have any suggestions?" Kai finally finished his thirty-minute explanation. In the meantime, not a single word was spoken by Ria and the other girls.
"Suggestion? Do you really think I'd give it to you just like that? That'd make it too easy for you. Instead, I'll give you some homework so you'll know what your plan is missing and search for the answer yourself," she shook her head and answered calmly.
"Right, this is Teacher's style of teaching. All right." Kai nodded. "There's still around one week and a half before the mission. Maybe I'll stay here for a day or two and work on it after I get back."
"In that case, I'll give you your homework later." Ria nodded, leaned back to the chair, and closed her eyes, formulating a few questions and writing them down.
Suddenly, Kai broke the silence with an unexpected question.