|Conspiracy of the Big X|
|Rōmaji||Ōinaru X no Inbō|
|Date Released||May 8, 2012|
|Opening Song||Taiyou Iwaku Moeyo Chaos|
|Ending Song||Zutto Be with You|
Hasuta and Mahiro meet and learns the person he's looking for is his mother. Yoriko is kidnapped by a mysterious woman for some unknown purpose. Kuuko is also blackmailed into helping her. Mahiro, Nyaruko and Hasuta set out again to rescue them. During the events, Mahiro and Hasuta have a series of awkward moments.