The Disastrous Life of Saiki K.

He's Back! The Brother's Five Directives + Let's Go to the Zoo! + The Disastrous Work of a New Manga Author + The Disastrous Lives of the Kaidou Brothers + A Girl's Makeover (2x17)

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Saiki receives an explosive surprise from his brother Kusuke, who has a challenge for him. If Saiki fails, Kusuke will expose him as a psychic to the world via firework.