Hayate no Gotoku! s01e50
Titre original : Quiz! Written as 'Foe' but Read as 'Friend'!!
Nagi and Ayumu compete together in the 4256th High School Girls Ultra Quiz tournament, though are each looking forward to the possibility of winning different prizes; Nagi wants the trophy for its resemblance to Hayate, and Ayumu wants the all-you-can-eat ticket to a restaurant so she can go out with Hayate. During the tournament, Nagi and Ayumu have trouble cooperating, though manage to end up winning the tournament in the end. Ayumu uses the all-you-can-eat ticket to invite Nagi, and Hayate to go out and eat together.