Two years after the catastrophic tidal wave that swept over Japan, police officer Kiyomasa Senji is trying to make the world a safer place. Using his Branch of Sin powers, he stops criminals in whatever ways he can. After rescuing a boy named Izuru Tsukiyoshi from a gang called Goreless Peace, the conflict between Kiyomasa and his adversaries heats up rapidly, to the point of being explosive. Offering a glimpse into the past of the future Deadman, the story follows Senji, helping to further develop the reasoning that drives his actions later in life.

Crown Prince of the Kingdom of Lucis, Noctis Lucis Caelum, sets out on a journey to Caem. His purpose is to meet with Lunafreya Nox Fleuret, an oracle and Noctis' childhood friend, in order to marry her. A strong and silent type, Noctis is accompanied by his friends and Royal Guard Gladiolus, Prompto, and Ignis. The four young men set out on a road trip across the continent in the king's personal convertible, the Regalia. Along the journey, each of them experience various situations which allow them to reflect on their past together, and strengthen their bonds for the future. A prequel to the 2016 video game Final Fantasy XV, Brotherhood: Final Fantasy XV explores the relationships of its four main protagonists and the challenges awaiting them.

Astro is a robotic boy that posses super human powers and an artificial intelligence system that is unparalleled to any robot. His creator, Dr. Tenma, created him to replace his late son, Tovio. Dr. Tenma soon destroys his laboratory, after the creation of Astro, and shuts down Astro. Soon after, Dr. O'Shay, the head of the Ministry of Science revives Astro, and tries to give him a normal life as a 6th grade student that helps the police agency keep renegade robots and bigot humans from causing harm. Astro faces extreme racism for being a robot, and he must discover the truth about his creator Dr. Tenma.

Tennomifune Academy is an elite institution for the best and the brightest, with the exception of Class 1-7, the so-called "Happiness Class." Each member of the classroom copes with personal misfortunes, and the special class is geared to help them move past their issues and find true happiness. After being accepted into the academy, An Hanakoizumi, Ruri Hibarigaoka, and Botan Kumegawa find themselves placed into the Happiness Class, plagued by dreadful luck, love problems, and bad health respectively. Alongside their classmates, they do their best to overcome the difficulties they are faced with in pursuit of a life filled with joy. [Written by MAL Rewrite]