In this 日本动漫 u have ultimate fighting, lots of kawai chicks and great romance story. Little ecchi stuff but they aren't exaggerating. This was rate on lots of 论坛 as 最喜爱的 magic anime. All u need in this anime.
When a human is marked to die, a faint gray line that is invisible to most appears around their neck. As time passes, that ring becomes darker and darker, until they die