Kiri is a grasshopper who loves to live life to the full. One day, he is unable to find a place to stay for the night and so goes to find shelter in his usual fallback, the factory. Who should find him there but the hard-working ant, Kuronaga. Kuronaga is the exact opposite of the laid-back Kiri and yet somehow they hit it off well together. Despite this, the freedom-loving Kiri can't bring himself to go and stay with Kuronaga. This is the heart-warming story of their love.