Itsuki Hashima is a light novelist obsessed with little sisters, strictly focusing on them when he writes his stories. Despite his personality, he is surrounded by a tight circle of friends: Nayuta Kani, a genius yet perverted novelist who is in love with him; Haruto Fuwa, a fellow male author whose work has seen considerable success; Miyako Shirakawa, a good friend that he met in college; and Chihiro, his perfect younger step-brother who takes care of the housework and cooking. Together, they play strange games, go on spontaneous journeys, crack silly jokes, and celebrate each other's successes. However, each individual must also deal with their own issues, whether it is struggling to meet a deadline or coming to terms with traumatic events buried in their past. [Written by MAL Rewrite]

Kazuma Hoshino is preparing himself for a new stage of his life as a teenager. Because of his brother Ayumu’s weaker than average health, their parents thought it best for the family to move out from the city to a more rural environment. Now the two brothers are off to the Yorozuyo Inn where they’ll be staying until their parents can settle affairs back in the city and set up their new home. Their arrival to the inn doesn’t go as planned though when they catch the wrong bus, wind up in the middle of nowhere, Ayumu gets his hat stolen by a wild monkey, and Kazuma gets lost in the woods trying to track the animal down. It all leads to a chance encounter with a spirited young girl named Ui, who Kazuma ends up accidentally falling onto and kissing while she tries leading him back to the bus stop. This hardly sits well with Ui’s friend Ibuki who swiftly kicks Kazuma and sends him on his way. Much to Kazuma’s continued horror, his bad luck is perpetuated at the inn thanks to its landlady Senka and her slightly perverted sense of humor, and then finding out that two of his classmates are the girls he embarrassed himself in front of back in the woods! Hoshizora e Kakaru Hashi finds Kazuma adapting to his new school, dealing with the multiple women who have entered his life, providing emotional support for his younger brother, and coping with living with his new landlady. However, for some reason, something about this place is bringing whispers of the past into Kazuma's mind. Small flashes back to a more innocent time and a friendship long forgotten. What could this déjà vu mean?

Taito has been really sleepy lately, and keeps dreaming of a female vampire who says she has given him her "poison." Sometimes he even thinks he hears her voice when he's awake. But after surviving an accident that should have killed him, Taito's world changes drastically and he realizes that his dreams are more real than he thought.

In the distant past, Miguel, the God of Destruction, was sealed inside the knight who ruled over light and darkness, Sturmhurt. Alongside the knight was Gestöber, who accompanied him through countless battles. In the present day, destiny causes them to reincarnate as Kabuto Hanadori and Seri Koyuki, two classmates. Their reunion should be a joyous moment, if not for the fact that these fantasied heroes are just products of Kabuto's delusions. As the fictional "Gestöber," Seri finds himself in various embarrassing situations due to Kabuto's antics that sometimes grow out of his control. Moreover, his classmate Utsugi Tsukimiya joins the fray with his absurdly accurate mind-reading abilities, slowly destroying Seri's social life. Seri tries hard to stay away from them, refusing to acknowledge their shenanigans, however with Kabuto's chuunibyou and Utsugi's unpredictability, he is only bound to be swept by the craziness coming his way. [Written by MAL Rewrite]