Outgoing college student Ikumi heads home for the summer, where he meets Harukiyo, a shy gardener with a soft spot for house plants.

Despite seeming totally resistant to Ikumi's charms, Harukiyo eventually admits his attraction to Ikumi, and Ikumi is surprised to discover he feels the same way about Harukyo! At summer's end, the pair embark on their first long-distance relationship...

Once reunited, Ikumi and Harukiyo stumble together through the early stages of their newfound romance, tripping over the stark differences in their personalities. Can a blossoming love between a shining star and a prickly hedgehog go the distance?