|Building Nine: For the Love of Pranks|
|Season 1, Episode 9|
|Rōmaji||Kyū Gōtō Itazura Daisuki|
|Air Date||September 3, 2015|
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|Danchigai Episode List|
Haruki is suspicious when Uzuki has not prank him after sitting near him during dinner or requesting to read with him. Satsuki informs Haruki that Uzuki had an idea from a TV show where a little sister prank her brother being all nice.