Dungeon War Between Me and You

In 2045, Earth is invaded by four parallel worlds. Explorers, two men and two women from each country, are chosen to conquer dungeons created by each parallel world to prevent invasion. National borders are sealed, halting trade and electronic communication. The only hope lies in magic stones obtained by conquering dungeons. An ordinary college student is selected as an explorer for Japan, now facing national ruin. The magic stones he gathers become vital resources, and he bears the weight of his nation's fate. His journey is broadcast nationwide as he battles monsters, magical beings, angels, and robots. When he meets his partner, a young girl, Japan's counteroffensive begins! This is a heartwarming, lighthearted gag story with a fluffy feel, full of love!