“The student council gets suspicious” “utagau seitokai” (疑う生徒会)
Seitokai no Ichizon Lv.2 – Episode 2
See also:
Seitokai no Ichizon Lv.2 – Episode 9
“The student council doesn’t end” “owaranai seitokai” (終わらない生徒会)
Seitokai no Ichizon Lv.2 – Episode 4
“The student council collects” “kaishuu suru seitokai” (回収する生徒会)