A Fruitless Lunchtime (空回りのランチタイム, Karamawari no Ranchitaimu) is the second story of the second episode of the anime series Full Metal Panic? Fumoffu.
Sousuke forgets Kaname's notes at home and they make a frantic dash to retrieve them and return before lunchtime ends. Despite their tardiness, they find out that the notes were not needed since their teacher fell sick coincidentally .
This episode marks the first appearance of Yoko Wakana.