最倒霉的特工贝肯熊，为了重获认可，偷偷混入火星任务，不料却闯进了火星里的神秘世界，和要抓捕的火星怪物成为了朋友。在特工荣誉和友情之间，他将面临一场前所未有的考验aaa

As her world is shrouded in darkness, a young girl must overcome her fears and travel to a mysterious city of light, save her father from a dangerous scientist and prevent the destruction of her planetaaa

弐瓶勉原作，电视动画《大雪海的凯纳》宣布将在影院上映电视动画的续篇剧场版，剧场版由索尼影视娱乐负责发行bbb