I've Been Cursed by Her, but Since I'm Happy It's OK!

17-year old Haradari Iida lives up to his nickname of the Ultimate Gentleman, always helping out girls in any way he can. One day, he met the beautiful Sari Kageura and was struck by her mysterious aura, which turned out to be a haunted curse! Now he's haunted by the curse, too. But maybe it's not so bad, being caught in the same curse as her?