Please help me to give a name for my manga ...

I'm making a manga (because I'm so empty this holiday season and this is distracting me ...), but I have no idea of ​​a name for it.
The story goes like this:
Monsters from another world have invaded the planet earth and they feed on humanos.Nisso beings, the human warriors hired another los.Depois plan to kill the monsters that implementation is a success, they go to the leader of the city to receive a dinheiro.Certo good amount of days there was an attack on the Lighthouse where children orphaned children were devoured vivem.Todas least Minatsuki and her twin sister, Orihime.Minatsuki sends a request for a warrior to kill the monsters come and it comes and mata.As twins start to chase her she does not accept, over time it will become fond of the girls and ends up accepting a.Um Rangiku día (it's the name of the warrior) receives a request to kill a monster with another guerreira.O monster was much stronger than normal monsters and three were in, which led to defeat monsters Rangiku.Os Minatsuki kidnapped her and left her sister and another warrior uncounscious, not killed because they knew they were weak and had no chance . Minatsuki Then go to el espacio with her ​​sister to pursue and Rangiku guereira goes along, not wanting anything bad to happen and the girls also wanted to avenge his defeat humilhante.Start an epic battle!
Please helme me to choose the name *-*