Torihima's Sister Kairume Came to Visit Shinjuku Japan to See each other to Spend the time of their Lives as Grown Sisters again. how ever one of the remaining threats have located her sister for dyer plans of imperialistic child labor Gauntlet follows on the defeated General Vansler to Take Children like Kairume as Killing Soldiers to Eradicate mankind. can Kid Soldier his allies and Torihima can saved her beloved from their fallen enemies?