[1][2] Ototake was born without arms and legs due to tetra-amelia syndrome, a genetic disorder.

[4] He starred in Daijōbu 3-Gumi (だいじょうぶ3組; English title: Nobody's Perfect), a 2013 film based on the events of his own life as a teacher.

The Liberal Democratic Party considered recruiting Ototake to run in the summer 2016 upper house elections.

In 2015, Ototake entered National Graduate Institute for Policy Studies as a Masters student.

However, in March 2016, shortly before he was due to complete his graduate studies, the tabloid magazine Shukan Shincho reported that Ototake had affairs with five women since the birth of his eldest son in 2008.