日本怪獣損害保険株式会社で働く、しがないサラリーマン・テツオ。人生に大きな目標もなく、やるせない日々を過ごしていたが、怪獣保険の営業先のミチコとのやりとりのなかで、自分の人生を見つめ直していく。そんな中、アルプスの山を裂き現れるレッドキングとギガス。怪獣が暴れている町にはミチコが住んでいる。どうする、テツオ？！
Tetsuo is a humble businessman working for the Japan Kaiju Damage Insurance Company. He doesn't have big goals and just drifts through life. However, he starts realizing the meaning of life through his interactions with Michiko, a homeowner he pitches a sales to. Meanwhile, Red King and Guigass appear, tearing through the mountains of the Alps. Tetsuo runs back for Michiko, who lives in the town where the kaiju are rampaging...
