Eighteen-year-old Dale Reki is a skilled, kind, and respected traveler, acknowledged as one of the leading adventurers in the city of Kreuz. One day while on the hunt for magical beasts, he comes across a sweet devil girl named Latina. She is alone, dressed in rags, and bears the devils' symbol of a criminal: a broken horn. Concerned for her wellbeing, Dale decides to ensure Latina's safety by bringing her to his home, eventually leading to him adopting her. Latina is sweet, innocent and compassionate, charming Dale beyond his expectations. He begins to enjoy the life of parenthood— experiencing the trials that come with raising a child and coping with the heartache he feels whenever his busy lifestyle as an adventurer parts him from her. Although work and life as a new parent become reassuring constants for Dale, the mysteries surrounding the girl remain. Why was Latina alone in the forest, and why does she harbor the symbol of a criminal? At the same time, Latina also begins to learn about the world and herself as she adjusts to her new life with Dale.

After obtaining information about Asirpa from the foreteller Inkarmat, Saichi The Immortal Sugimoto, Genjirou Tanigaki, and Cikapasi join the Seventh Division's Otonoshin Koito and Hajime Tsukishima on a journey to Karafuto. Heading further north into the freezing Russian territory, they collect any clues about Asirpa's whereabouts they can find and rush after her. Meanwhile, Asirpa is unaware of what truly transpired at Abashiri Prison. Deeply disturbed and confused by her father Wilk's past actions, Asirpa follows his old friend Kiroranke to the place where Wilk was born and raised in order to better understand his motives. However, Kiroranke and the master sniper Hyakunosuke Ogata are scheming behind her back. Even if they were to obtain all 24 tattooed skins that form a map to the lost Ainu gold, the various factions searching for it now understand that the map is useless without Asirpa. Realizing the danger she could be in, Sugimoto desperately hopes to reach Asirpa first and protect her from the greedy clutches of those who plan to drag her into their sins.

The Mutou family leads a peaceful life: Kouichirou works at a construction site and his wife Mari is returning from an overseas trip. Their daughter Ayumu has just finished her track practice while their son Gou is playing video games at home. However, life as they know it is flipped upside down when a calamitous earthquake strikes the entire Japanese archipelago—obliterating the face of the country in an instant. With society crumbling around them and their nation gradually sinking into the ocean, the Mutou family must band together to survive the catastrophe. Treading the near-apocalyptic setting, they struggle not only to stay alive, but also to learn the difficulty of coping with loss.

To the students of Karai High School, Nanako Yukishiro is a pretty, calm, and cute 16-year-old. However, Nanako is no ordinary girl, as she cannot speak! Instead, Nanako communicates through senryuu—17-syllable-long poems. Sixteen-year-old Eiji Busujima used to be delinquent in his middle school years. However, he has since turned over a new leaf due to his newfound love of senryuu. Despite his menacing looks, Eiji gets along well with Nanako as a fellow member of the Literature Club. Even though Nanako is mute, the adorable pair have no problem communicating with each other. Senryuu Shoujo is a light and relaxing story of two teenagers' daily lives.