お姉さんメンバーが後輩たちへ向けてアイドル・グループ・番組に関する履修必須のアドバイスを伝授！
細かすぎる日向坂トリセツに五期生も困惑！？
The older members give their juniors essential advice about idols, groups, and TV shows!
Even the 5th generation members are confused by the extremely detailed Hinatazaka Instruction Manual!?
