Waking up in a new world, 25-year-old Shingo Ichinomiya realizes that he is in the body of a six-year-old. Retaining memories of his stressful life working at a firm company, Shingo learns that the person he is occupying is Wendelin Von Benno Baumeister, the eighth son of a poor noble family living in the countryside. Awoken to his bizarre situation, Wendelin strives to change his financial and social status for the better. His newly discovered great magical aptitude may prove to be just what he needs to achieve that goal.

Seigi, a martial arts trained middle schooler, often feels driven to protect the weaker people around him. One day, he defends a homeless man against some punks, and the man gives him a strange tattoo on his palm in return. The tattoo is a secret weapon produced in the arms race between America and the Serinistan Kingdom. Seigi finds himself in over his head when a powerful girl, using the same secret weapon, violently pursues him in order to retrieve it. His skill at martial arts may not be enough to keep him alive, but will he be able to learn how to trigger the power of his tattoo in time? (Source: MU)

Akira Tachibana, a reserved high school student and former track runner, has not been able to race the same as she used to since she experienced a severe foot injury. And although she is regarded as attractive by her classmates, she is not interested in the boys around school. While working part-time at the Garden Cafe, Akira begins to develop feelings for the manager—a 45-year-old man named Masami Kondou—despite the large age gap. Kondou shows genuine concern and kindness toward the customers of his restaurant, which, while viewed by others as soft or weak, draws Akira to him. Spending time together at the restaurant, they grow closer, which only strengthens her feelings. Weighed down by these uncertain emotions, Akira finally resolves to confess, but what will be the result?

Ranma Saotome is a top-class martial artist and prodigy at the Saotome Anything-Goes school of martial arts. While training in China, he and his father meet a terrible fate when they accidentally fall into a cursed spring. Now, Ranma is cursed to turn into a girl when splashed with cold water, and only hot water can turn him back into a boy. Things are only complicated further when Ranma discovers that his father has arranged for him to marry one of Soun Tendo's three daughters in order to secure the future of the Tendo dojo. Though Soun learns of Ranma's predicament, he is still determined to go ahead with the engagement, and chooses his youngest daughter Akane, who happens to be a skilled martial artist herself and is notorious for hating men. Ranma ½ follows the hilarious adventures of Ranma and Akane as they encounter various opponents, meet new love interests, and find different ways to make each other angry, all while their engagement hangs over their head.