Suzu is a 17-year-old high-school student living in a rural town with her father. Wounded by the loss of her mother at a young age, Suzu one day discovers the massive online world "U" and dives into this alternate reality as her avatar, Belle. Before long, all of U's eyes are fixed on Belle, when, suddenly, a mysterious, dragon-like figure appears before her.

Unhappy after his new baby sister displaces him, four-year-old Kun begins meeting people and pets from his family's history in their unique house in order to help him become the big brother he was meant to be.

"Drop" tells the story of a boy named Hiroshi Shinanogawa, who grew up in the 1980s. He became inspired by the Be-Bop High School manga and decided to become a delinquent. Hiroshi dropped out of a private middle school and transferred to a public school There he joins up with a delinquent gang.

Sakurai Tomoki goes on a trip to a hot spring, and is soon up to his usual perverted antics. In addition, he's about to receive his first love confession! However, his desire to pass his days peacefully is challenged once again by another Angeloid. Compared with the hostile Angeloids he had encountered in the past, this new Type Zeta Angeloid is by far the most powerful!

Baian Fujieda, an assassin for hire, got an unusual job from his usual fixer to end up with an unexpected twist of destiny from the past.

The year is 1939 - it was then that the Neuroi appeared. Nobody knows where they came from or what their ultimate agenda is, but the fact remains that their attacks drove people out of their towns and cities. In order to take arms against them, humanity develops a new anti-Neuroi weapon called the "Striker Unit." Using the power of magic to fight against the monsters, this new device enhances and amplifies the power of female magic-wielders. To use this device, young witches from all over the world have been brought together to form an elite task force unit called the 501st Joint Fighter Wing, commonly known as the "Strike Witches."

After his parent's divorce, Kazuo Saito moves with his mother from Onomichi and must leave his girlfriend behind. At his new school, Kazuo is surprised to reunite with his childhood friend Kazumi.