In this paper, we present a novel reduction paradigm, called ksk reduction, which can be used as a basis of diet. The basic idea of the reduction is simple and clear: ksk contains a lot of calories, so cut it off to slim ourselves down. To…

某 letter 氏が電車の遅れにより遅刻して来たのでふーんとか言ってたら、帰りに自分も振り替え輸送を使うはめになった。学校から家まで 2 時間半も掛かってへとへとです。