Nagi, having woken up afternoon for all of spring break, resolves to rid herself of her hikikomori lifestyle. After Hayate accidentally breaks his cellphone, Hayate and Nagi go shopping in Shinjuku to replace it. Nagi gets lost, although she vehemently denies it, and is directed to the lost child section of the electronics store. Nagi challenges the boys there to a duel with the Hayate the Combat Butler Trading Card Game; she wins and tells the boys to call her "leader", after which Hayate arrives to pick her up...