4화: 지친 루키가 이틀 밤을 새워 학교에서 큰 소동을 일으킴

Because of a deadline coming up, Ruki ends up staying up two nights in a row. She ends up going to school in this condition and can't help but feel sleepy, despite how earnestly she usually tries at school. However, this dazed state she's in makes her look sexier than usual, causing a stir in class... (Source: Crunchyroll)

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