"Song Rentou entered the school on the afternoon of the second of last month and attended roll call at nine that night. He attended roll call normally for the next three and a half days, but then disappeared for two days. He didn't sign in again until the morning of the seventh day, and he left the Campus that afternoon."
"It looks normal, but those three and a half days without signing in are a huge problem..." Tian Bufan looked thoughtful.
Lin Yi nodded. "Yes, but unfortunately, the Head Teacher at the time seemed to know nothing about his whereabouts during those three days either."
"That's a hasty conclusion," Tian Bufan disagreed. "The Head Teacher certainly wouldn't tell you everything. She probably only shared Song Rentou's sign-in records with you because you provided that scrap of paper as a lead."
"Once you left the office, she would definitely have checked some records or something."
"So far, we haven't encountered any 'role' in the Teaching Building area besides the Head Teacher that can take responsibility for students' behavior, so I'd venture to guess that, among all her methods and measures, the sign-in sheet might only be the most basic means of keeping records..."
Understanding dawned in Lin Yi's eyes.
Tian Bufan continued, "Let's give it some time and see how the Head Teacher handles Song Rentou's case... Let's talk about something else. Have you made any other progress?"
Lin Yi glanced at Wei Liang. "Yes... It has to do with Hentai Manga."
Wei Liang lowered his eyes and kept his expression composed, looking as though none of them knew anything about it.
Seeing this, Lin Yi continued, "There are clues to past Gray Fog Invasions hidden in the Hentai Manga. They're just a little jumbled..."
He explained the specific method of