خلاصه داستان : هایری تاکاهارا پس از یک حادثه ناخوشایند، مرگ اخیر مادربزرگش را بهانه ای می کند تا به جزیره بیاید تا از فروش املاک او مراقبت کند. هنگامی که به آنجا می رود، او با چهار دختر آشنا می شود: شیروها ناروسه، که تعطیلات تابستانی خود را فراموش کرده است. آئو سوراکادو، که به دنبال افسانه...

Hairi Takahara never expected summer to feel like a dream. Sent to Torishirojima to sort through his late grandmother's belongings, he's met with endless sea, quiet nostalgia, and mysterious girls, each chasing something just out of reach. As he settles into island life, lost memories begin to surface and he finds what he never knew he'd lost.

خلاصه داستان : یک هفته قبل از کریسمس، کیون در دنیایی از خواب بیدار می شود که در آن تیپ SOS وجود ندارد. میکورو و یوکی او را نمی شناسند و به نظر می رسد هاروهی و ایتسوکی ناپدید شده اند.

It is mid-december, and SOS Brigade chief Haruhi Suzumiya announces that the Brigade is going to hold a Christmas party in their clubroom, with Japanese hotpot for dinner. The brigade members Kyon, Yuki Nagato, Mikuru Asahina and Itsuki Koizumi start preparing everything for the party, such as costumes and decorations. But a couple of days later, Kyon arrives at school only to find that Haruhi is missing. Not only that, but Mikuru claims she has never known Kyon before, Koizumi is also missing, and Yuki has become the sole member of the literature club. The SOS Brigade seems to have never existed, nor has Haruhi Suzumiya. No one in the school has ever heard about her… except for Kyon.