Tokyo is currently experiencing rain showers that seem to disrupt the usual pace of everyone living there to no end. Amidst this seemingly eternal downpour arrives the runaway high school student Hodaka Morishima, who struggles to financially support himself—ending up with a job at a small-time publisher. At the same time, the orphaned Hina Amano also strives to find work to sustain herself and her younger brother. Both fates intertwine when Hodaka attempts to rescue Hina from shady men, deciding to run away together. Subsequently, Hodaka discovers that Hina has a strange yet astounding power: the ability to call out the sun whenever she prays for it. With Tokyo's unusual weather in mind, Hodaka sees the potential of this ability. He suggests that Hina should become a "sunshine girl"—someone who will clear the sky for people when they need it the most. Things begin looking up for them at first. However, it is common knowledge that power always comes with a hefty price... [Written by MAL Rewrite]

Mirai Kuriyama is the sole survivor of a clan of Spirit World warriors with the power to employ their blood as weapons. As such, Mirai is tasked with hunting down and killing "youmu"—creatures said to be the manifestation of negative human emotions. One day, while deep in thought on the school roof, Mirai comes across Akihito Kanbara, a rare half-breed of youmu in human form. In a panicked state, she plunges her blood saber into him only to realize that he's an immortal being. From then on, the two form an impromptu friendship that revolves around Mirai constantly trying to kill Akihito, in an effort to boost her own wavering confidence as a Spirit World warrior. Eventually, Akihito also manages to convince her to join the Literary Club, which houses two other powerful Spirit World warriors, Hiroomi and Mitsuki Nase. As the group's bond strengthens, however, so does the tenacity of the youmu around them. Their misadventures will soon turn into a fight for survival as the inevitable release of the most powerful youmu, Beyond the Boundary, approaches. [Written by MAL Rewrite]

Short mini-theater specials included in the BD/DVD volumes.

In an alternate universe, shy, awkward Yuki Nagato attempts to court her crush, Kyon, with the help of her best friend and neighbor, the perky and indomitable Ryoko Asakura. Together, the trio defends their high school literature club from extermination…and from the pestering of their over-the-top classmate Tsuruya and her friend and minion Mikuru. (Source: FUNimation, edited)