The main Jayson in counterterrorist group during mission meets the girl. Mission has been broken. The girl is taken away by the authorities and hold it as an animal. Its awakening was not usual-now the world or should accept it, or it will be destroyed...

Ayakashi is a parasite life force that gives superpowers to its host, taking in return the host's entire life force. Yu Kusaka is a student that lost his will to live after the death of a dear childhood friend, until the day a mysterious girl, named Eim Yoake, appears. From that moment on, his life would never be the same again. Hunted by Ayakashi and their hosts, the power within Yu awakens and a never ending battle begins. (Source: Wikipedia)

The spin-off manga of Kamen Rider 555, focusing on Masato Kusaka a.k.a Kamen Rider Kaixa.

Julia, a member of the Kingsguard, falls off a cliff with Princess Laura. When she wakes up, she finds that her body has been switched with Laura's! She is now married to King Leon, the princess's husband, but he is not only a bully but also has a keen sense of intuition, and they are in big trouble!

Kuromi works at SWEETYS, a remote cake shop where the cakes also double as staff! With their unique abilities and guidance, she can solve any problem weighing down a customer. A magical slice of life story with a touch of sweetness.

From AniMaxi.com: Keisuke's average life is turned upside down when he comes into possession of a cute and perky walking talking toy girl. Note: This manga is focus heavily on dolls. It uses panchira and fanservice elements.