Yoichi Karasuma has spent all of his life in the mountains, training in the Soaring Wind, Divine Wind swordsmanship style. Under his father’s guidance, he is able to master the technique at the age of 17. With nothing left to learn, Yoichi is sent to a new dojo located in the city so he can continue to train and gain an understanding of modern society. Unfortunately, Yoichi has no idea how to act or speak to anyone in the present day and acts like a samurai, complete with odd speech and traditional clothing. As he goes to live with the Ikaruga sisters at the dojo, Yoichi, clueless on how to interact with others, is constantly hurtled in hilarious misunderstandings. Asu no Yoichi! follows Yoichi as he stumbles through his new life and tries to learn how to live in the modern world with his new family.

In the heart of Italy, the Social Welfare Agency rescues young girls from hospital beds and gives them a second chance at life using the latest in cybernetic advancements. With their artificially enhanced bodies, the girls are brainwashed and trained as assassins to carry out the dirty work of the Italian Government. Despite all the modifications, they are still just children at heart, struggling for recognition from those they love, even knowing the love they feel is manufactured. This tragic tale unfolds as these girls grapple with their emotions in an agency that treats them as nothing but ruthless killers.

Iroe Genma is a third-year high school student often referred to as Elder Sister despite her short height. This troublemaking teenager is the president of her school's Model Club, which is dedicated to building plastic models of various objects and structures, such as cars, boats, and even robots. Joined by her two underclassmen, the violent Hazuki Okappa Okamoto and the rational Makina Makimaki Sakamaki, the small group aims to carry out their club duties but are often sidetracked by a myriad of distractions. From battles between club members to lessons on how to confess to your crush, these three schoolgirls get caught up in all sorts of wacky, and downright outrageous situations!

Imagine living life as the vice president of the student council, passing the days eating snacks, playing games, and bonding with a harem of beautiful girls. This is exactly the kind of life that high school student Ken Sugisaki leads, or so he thinks! Usually, the officers of Hekiyou Academy's student council are elected by popular vote, but an additional position is granted to the student who scores the highest on the exams. Ken, who historically has had below average grades, worked hard to improve them to be accepted into the student council, with the ultimate goal of surrounding himself with girls who fawn over him. Unfortunately for the vice president, things do not go quite as planned. Not only do the ladies of the council continually rebuff his advances, they also prefer to focus on more important and boring activities, such as organizing school events and managing the other clubs. But a few minor hurdles like these won't stop Ken from chasing after his dreams, even if they seem a bit ridiculous.