A girl is sent back in time to meet the man of her dreams—but he’s a caveman?! Seventeen-year-old Kamigome Mito yearns for romance, but the boys in her school all share the same flaw—they’re hopeless wimps! When Mito prays for divine intervention, Spica, goddess of the harvest, sends her back in time to find a soulmate. The destination? Planet Earth, 2.5 million years ago!