Kazuki wakes in his original world, adjusting to normal life but missing his friends. In this reality, Rara and Ken collaborate on parallel world research. As barriers between worlds weaken, robots appear, wreaking havoc. Determined to end the war and seal the rift, Kazuki and Mitsuki return to the parallel world, only to find Mitsuki was captured by Rara after arriving earlier, setting the stage for a critical confrontation.