To stop the otherworldly "Kaijuu" from invading Earth, individuals wielding special powers known as "Aegis" are tasked with the protection of the world. Aratsugu Yorino is one of the aspiring "Bastioners" - soldiers who fight the invaders within the wall between the two worlds.Yorino and her best friend Haruka were always at the top of their class, and vowed to become professional Bastioners together. However, when a Kaijuu broke through the wall during one of their exercises, Haruka lost her life saving Yorino. Cornered by the Kaijuu once again, Yorino was rescued by a Bastioner called Kaminoi Youko. After asking Yorino to give her Aegis energy, Youko defeated the Kaijuu with overwhelming power.With her heart full of determination, Yorino placed first on the Bastioner exam, all for the sake of saving herself from ever feeling loss again.(Source: MU)

Trained fighters known as Bastioners battle against invaders from another world using a mysterious power called Aegis. Aegis can grant people and objects tremendous strength, but people are unable to use it on themselves and must therefore always fight in pairs to give each other power.

Yorino Aratsugu and Yoko Kaminoi are two young girls training to become Bastioners. Yorino used to protect the timid Yoko from bullies, but now Yoko has surpassed her at everything other than combat skills. As the two of them become full-fledged Bastioners, Yorino must fight to keep herself from becoming fully eclipsed by Yoko's talents, while also struggling to understand the more complicated feelings she has for her childhood friend.

Young Risa-chan is eager to grow up. Feeling no connection with her classmates, she becomes close friends with her older neighbor Megumi-san, who is kind, beautiful and 'several' years older. As they spend more time together, Risa starts to wish for a more adult relationship with her. Then her Mom goes out of town for a few days, what opportunities will a 3-day sleepover present? (Source: MU)

This year, Sou Mamiya is Hell's millionth visitor. If he wins in a fight against Heaven's millionth visitor, he has a chance to reverse the accident that took his life.

(Source: MAL)

An emotional father, an indifferent brother, a mother who endures. The girl and the shrine flower which is spent in the collapsed family.

"I don't want to be here..." One day, I hope, to learn how to become invisible.

This is the story of a girl who usually takes back the pain.

(Source: MU)

From MangaHelpers:

It's an age where aliens, monsters and other dangers threaten the Earth, and various heroes have risen to protect it. Supporting these heroes are the human defense forces, of which the sisters Kitajishi Miyuki and Yuri are a part. Specifically, their office is for hero consultation, and they help heroes solve their problems, but they also help evacuation procedures during emergencies. Yuri was formerly an immensely powerful and popular magic girl, but now she helps protect people in a more human way. In their first case, they consult with a hero who has lost his powers, and is trying to find a way to live as an ordinary human. [tethysdust]