Sakaki Inui (戌井榊 Inui Sakaki) is a student at Nekoge High School and classmate of Tsumiki Miniwa, Io Otonashi, and Hime Haruno. Along with Mayoi Katase, he makes up the prankster duo in the friendship circle.
Io's partner-in-crime (not actually). Together with Mayoi, he makes up the prankster duo in the friendship circle. He also has quite a competitive side; his constant goal being to beat Io, though most of his attempts are thwarted by either Io himself or outside forces. One of the running gags throughout the series is that almost every object that leaves peoples' hands end up hitting him- the only times he isn't hit are when they target Mayoi. His sister owns a patisserie where he and Io also work. He also is quite perverted, seeing as he hangs out with three females.
He has short, orange-blonde hair and brown eyes. Like most characters, he is usually seen wearing a school uniform.
- Tsumiki Miniwa - His friend
- Mayoi Katase - His friend and pranking partner. They are also shown to be competitive when facing against each other.
- Hime Haruno - His friend
- Miiko Inui - His sister
- Otonashi Io - His closest friend
- Kyōya Saibara - His friend
- Kana Miyama - His friend
- Saki Sakimori - His friend.
- Kikue Sakuragawa - His teacher
- Ami Kirino - He was once featured on her show, alongside Io.
Also look in the Sakaki image section.