Hayate no Gotoku!!: Atsu ga Natsuize - Mizugi-hen!

Step onto the sun-drenched shores for a special summer escapade where the ever-unlucky butler, Hayate, finds himself in yet another series of absurd predicaments. As the Himegami household decamps to a tropical paradise, the promise of relaxation quickly devolves into a whirlwind of misunderstandings, unexpected challenges, and, naturally, plenty of ecchi hijinks. Hayate's dedication to Nagi is tested in ways only a luxury cruise and a pristine beach can provide. Prepare for a hilarious and visually vibrant OVA that amplifies all the beloved comedic elements of the main series. With the entire cast in tow and the heat turned up, watch as Hayate navigates bizarre body-swaps and the relentless pursuit of peace, all while maintaining his impeccable butler duties amidst the chaos of a truly unforgettable summer vacation.

✦ AI-drafted summary