Akutsu Masatora is a demon who has infiltrated a high school in the human world. His goal is to find candidates to aid Hell in the fight against their natural enemies, the angels of Heaven. Assigned a seat next to Lily Amane, another student who transferred here not long ago, Akutsu falls prey to her beauty and decides to recruit her to his cause. But there's more to Lily than meets the eye, and Akutsu not only finds himself an accomplice to one of the very enemies he is supposed to defeat, but he also might have developed feelings for her.

In Florida, 2011, Jolyne Cujoh sits in a jail cell like her father Joutarou once did; yet this situation is not of her own choice. Framed for a crime she didn’t commit, and manipulated into serving a longer sentence, Jolyne is ready to resign to a dire fate as a prisoner of Green Dolphin Street Jail. Though all hope seems lost, a gift from Joutarou ends up awakening her latent abilities, manifesting into her Stand, Stone Free. Now armed with the power to change her fate, Jolyne sets out to find an escape from the stone ocean that holds her. However, she soon discovers that her incarceration is merely a small part of a grand plot: one that not only takes aim at her family, but has additional far-reaching consequences. What's more, the mastermind is lurking within the very same prison, and is under the protection of a lineup of menacing Stand users. Finding unlikely allies to help her cause, Jolyne sets course to stop their plot, clear her name, and take back her life. [Written by MAL Rewrite]

Kazuhiko Nukumizu, a self-proclaimed "background character," accidentally witnessed his popular classmate Anna Yanami being rejected by her childhood friend. Since then, Kazuhiko has become involved with several loser heroines, including Anna.

Ichirou Inuyashiki is a 58-year-old family man who is going through a difficult time in his life. Though his frequent back problems are painful, nothing hurts quite as much as the indifference and distaste that his wife and children have for him. Despite this, Ichirou still manages to find solace in Hanako, an abandoned Shiba Inu that he adopts into his home. However, his life takes a turn for the worse when a follow-up physical examination reveals that Ichirou has stomach cancer and only three months to live; though he tries to be strong, his family's disinterest causes an emotional breakdown. Running off into a nearby field, Ichirou embraces his dog and weeps—until he notices a strange figure standing before him. Suddenly, a bright light appears and Ichirou is enveloped by smoke and dust. When he comes to, he discovers something is amiss—he has been reborn as a mechanized weapon wearing the skin of his former self. Though initially shocked, the compassionate Ichirou immediately uses his newfound powers to save a life, an act of kindness that fills him with happiness and newfound hope. However, the origins of these strange powers remain unclear. Who was the mysterious figure at the site of the explosion, and are they as kind as Ichirou when it comes to using this dangerous gift? [Written by MAL Rewrite]