If you're looking for manga similar to Shin Skyers 5, you might like these titles.
Having become the financial capitol of the world, Tokyo is now a prime target for those that want to destabilize the world economy. To combat the rising terrorist tide, the Special Security Force is established. Tensions are high however, with both a vigilante anti-terrorist group called “Hunters” and the mysterious dr. Ichihara and his human enhancement project…
Recently, Japan has been under attack by the terrorist organization ALICE, led by a man known as Zero. The only hope lies with an anti-terrorist police force charged with taking down ALICE, led by a man named Kido and a high school girl named Kasumi whose assassin-like skills are matched by no other. However, there's a catch: she's an ex-ALICE member. Together, the two shoot and blast their way towards the enemy in an attempt to protect the country and rescue Kasumi's brainwashed ALICE comrades, but little do they know that Kasumi carries a dark and dangerous secret...
Rinka is a financially struggling high school girl living with her single father in Tokyo. One day, while going home from school, she sees a penguin flying in the sky towards the Tokyo Sky Tree. She chases after it only to find fish swimming in the air! One of the fish goes through Rinka and causes her to pass out. She wakes up to find that she has developed the ability to slip through solid objects..
Neither a utopia nor a dystopia, it’s still a world of nations at strife, as dominated by corporations as ever. Technology hasn’t made humans nearly obsolete, but rather bettered us, if you will, attaching to our bodies and even brains as enhancements—for those who can afford it. While reality may never become virtual, it will be increasingly networked and augmented. Navigate herein age-old questions about man that will return, not so ironically, in full force: What is the self? Is there such a thing as the soul?