考察:なぜこうなったかの原因を追究するものでしょうか?
Earmuffs 9(some spoilers)
Considerations: Should he investigate cause of why this happened?
Frame.1: Sakura: This looks similar to ear muffles I was wearing...
Frame.2: Sakura: Come to think of it, Sakura sensei also had ear muffles...
Frame.3: Sakura: And the moment I put the ear muffles on...
Frame.4: Sakura: So that means...