After sparring with Lingyin, Ichika runs late to class and is punished by Chifuyu. Officially meeting Tatenashi at the school assembly, Ichika oversees the selection of his class' activity for the school festival wherein Laura suggests a normal maid cafe. After receiving approval, Ichika is unwilling to receive Tatenashi as an instructor and challenges her ultimately losing. Dreaming upon the grasslands, Ichika appears to see Houki before awaking in Tatenashi's lap. Tatenashi takes Ichika training in shooting stances with Charlotte and Cecilia. Ichika returns home to find Tatenashi who incites Houki as he enters into a new training routine with Tatenashi. In the end Houki, Cecilia, Lingyin, Charlotte, and Laura all try to comfort Ichika as he falls asleep from exhaustion.
夏休みも終わりを告げたIS学園二学期、全校集会で壇上に立つは、ついに姿を現したIS学園最強の実力を誇る生徒会長、「更識楯無」!
一夏に近づく彼女の目的とは一体…!?
一方で、一大行事「学園祭」の準備も始まり、波瀾万丈な新学期、スタート!
이치카에게 접근한 수수께끼의 여학생. 이치카가 그 정체를 안 것은 전교생 조회 때였다. 그 여학생은 IS스쿨 학생 중에 최강자, 학생회장 시라시키 타테나시였다. 시라시키 회장은 대뜸 이치카의 IS 코치를 자처하고 나서는데...