Nanao Mio manga
Probably a spin-off of Kannazuki no Miko. Himeko, a devout Christian at a church, has lost her mother, father, and older sister, Chikane, when she was younger. While cleaning the chapel, she encounters a girl, who resembles her sister in face and name, impaled by a sword. Himeko is thankful to God for giving her another opportunity to see someone like her sister again, but she is then later attacked by another girl who say she possesses the "dragon's cry" within her body. Chikane bows to protect her.
---Taken from Sweet Love--- It was her 16th birthday when Kurusu was told by her classmate, Ogami, a confession. She’s delighted, but also feels very uncomfortable in relation to her friend Kiraha, whom she knows got a soft spot for this guy. Kurusu doesn’t have time to rejoice because the mysterious evil creatures appear suddenly and attack her!! Kurusu must face her destiny along with Ogami whose role is to protect her. However, Kiraha can’t see this situation.
From Minna-scan: This is a story about a Kuu, who is thinking about her prince all the time, she has dreams of him all the time, of him telling her to come with her. One day, as she goes back to school, she meets with someone who looks like him, exactly. Not before long the story gets complicated with mechas and stuff, what will be of Kuu?
Two girls, Kurusugawa Himeko and Himemiya Chikane, who have a close friendship that is secret from their classmates, are suddenly confronted with their fate to be the Priestesses of the Sun and the Moon. When an ominous lunar eclipse occurs on their shared birthday, they are forced into a pitched battle against Orochi and his forces, who wish for the total annihilation of the planet. But it's not quite that simple. Himeko has feelings for Chikane--and for one of the Orochi's "Necks," Oogami Souma, who somehow has the ability to resist the call of darkness, though not without cost. What will happen as these people learn to live their predestined roles?
From Cidsa: A spaceship lands on a bathhouse which belongs to Kazuto's family. Inside is Princess Warukure (Valkyrie) who gives part of her soul to Kazuto to save him from death (caused by her crash). Since she only has half of her soul, she turns into her child self. Now Kazuto and company must figure out how to fix the bathhouse and change Warukure back to normal.
Itsuki and Hayato, two brothers who grew up in a village nestled deep in the mountains, set out to hunt down a wolf that has been attacking the livestock of the village. Itsuki is about to go in for the kill when a gigantic beast appears out of nowhere, snatching up the wolf in its jaws and sucking the life out of it. The beast that stared Itsuki down was a gargantuan, blood-sucking vampire deer? Will the two brothers be able to return to the village alive?! Find out in this blood-filled action-packed story by extraordinary mangaka Kaishaku!