The students; Sanzenin, Azumamiya, Ookouchi, and the Hakuou Three Amiga at Hakuō Academy go to a remote island for beach class, except Hinagiku. During their jet ride, Hayate's first time being in a private jet made him airsick, until Nagi holds his hand. The butler of the beach resort named Schmidt hen Bach greets them and tries to create fun memories for the group. However, everyone is not having fun and wants to go home, so Yukiji agrees with them, but Schmidt is not willing to let them go...