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Sandalphon (Diligence) chooses a student as her candidate and helps him study for an exam using her inventions and asking advice from Belphegor. Despite Sandalphon's machines and her own physical attractiveness giving him trouble to focus on his studies, the candidate ultimately, albeit barely, passes his exam.
First Air Date : Jan 27, 2018
Last Air date : Mar 31, 2018
Episode : 10 Episode
Season : 1 Season
Runtime: 5:14 minutes
Studio: AT-X
Country: Japan
