Disaster strikes when Shintaro and Towa's air conditioner breaks down! But just as they're about to faint from the sweltering heat, Lilishka invites them to a summer retreat, courtesy of the Occult Research Club. Looks like the crew will be staying at a vacation home owned by Hisui's family, so why ...

Disaster strikes when Shintaro and Towa's air conditioner breaks down! But just as they're about to faint from the sweltering heat, Lilishka invites them to a summer retreat, courtesy of the Occult Research Club. Looks like the crew will be staying at a vacation home owned by Hisui's family, so why do they need to take a helicopter...?!