Six months ago, Sakuta Azusagawa had a chance encounter with a bunny girl in a library. Ever since then, he’s been blissfully happy with his girlfriend: Mai Sakurajima, that same bunny girl. However, the reappearance of his mysterious first crush, the now-adult Shouko Makinohara, adds a new complication to his relationship with Mai. To make matters worse, he then encounters a middle school Shouko in the hospital, suffering from a grave illness. Mysteriously, his old scars begin throbbing whenever he’s near her.

With Shouko’s bizarre situation somehow revolving around him, Sakuta will need to come to terms with his own conflicting feelings, for better or worse. With a girl's life in his hands, just what can he do?

In a world where individuals receive blessings from various animal gods at the age of sixteen, Sophia Leeler, a timid count's daughter, unexpectedly receives the blessing of the "Gorilla God"—said to be the strongest in combat. Though she longs for a peaceful school life, her rare and powerful ability attracts the attention of the Royal Knights, who scout her as an apprentice knight. Despite her efforts to hide her overwhelming strength, she can't help but stand out. Meanwhile, the promising young knights around her watch over her with kindness.

Chika Suzugamori, an 18-year-old newcomer manga artist, has just had three of her drafts rejected in a single day. Her editor suggests incorporating her interests into her work, but Chika is an indoor person who only thinks about manga day and night. At a loss, she feels a sudden desire to get away from everything and go on a journey somewhere. Due to the results of an online poll that she posted on a whim, Chika hops on a train and heads north from Tokyo on an impromptu solo trip. When she ends up at the top of Mount Haguro in Aizu-Wakamatsu, she realizes she feels refreshed and more motivated than before. Even if her projects get turned down again in the future, Chika plans to journey around Japan with friends old and new.

Satoko Kusagakure, a female ninja who left her village with her comrades, finds herself living with Konoha, a high school girl working as an assassin in the city. Satoko possesses the ability to transform objects using ninjutsu, which catches Konoha's attention. They strike a deal: Konoha provides Satoko with a place to live in exchange for Satoko's help in cleaning up after her assassination jobs. As they face off against assassins sent by Satoko's village, indulge in delicious meals using money earned from assassination jobs, and navigate the chaos of their unusual living situation, the story captures the heartwarming yet chaotic lives of these two unlikely roommates.