In order to rescue his father from a different dimension, Xiaolan (Kato Konatsu) used the power of the notebook to transform Hirono Kenta (Fujioka Makito) into the hero “WING-MAN” of his own making.Kenta and Xiaolan were suddenly attacked by the enemy.

After a fierce battle, although they successfully defeated the enemy, in order to protect the notebook from more assassins, Xiao Lan began to live in Kenta's house.On the other hand, after the new teacher Kitakura (Miyano Mamoru) took office, the school was filled with a strange atmosphere...