If you're looking for anime similar to Messiah: Seiiki Ishuu, you might like these titles.
After a rash of mysterious deaths, Crown prosecutor Sarah Sinclair and SSC agent James Blood discover a conspiracy surrounding uncanny new bio-masks.
A former LIVE scientist's daughter may hold the key to exposing its crimes, if James can keep her alive and the SSC can fend off their new director.
Seiko (with her cat Gonbei) is on the trip to Nagasaki by train, where she met young guitarist, who was supposed to be dead according to newspaper. Things get complicated when Seiko discovered hanged woman in woods near Nagasaki – and it seems that it wasn't suicide, but murder.
"We confirmed the first evidence. Next..."She was falling asleep before she knew it. But conversation of unknown two people kept staying in her head. "Second?" A man and woman who call themselves polices appear before Asami. But she is still suspicious of them. What is "the fire incident without burning" they are talking? What is "the time for reproduction"? And what is "the unavoidable third secret?"
One stormy night, a young woman is shot to death on a cliff; her body is found floating in the waters below the next morning. She was last seen with a man who is now being sought not only for her death, but also for the death of a yakuza at a local bar. Meanwhile, the man’s estranged wife has seen the police fliers and hires Goro, a private investigator, to find her husband first. Alongside another member of law enforcement with his own motives for finding the man, Goro sets forth on a trail of tragedy and intrigue to find the real reason behind these murders...
Shinokita Reiko and Yajima Junko are second-year high school students who travel from school to school fighting bad guys, ninjas, yakuza and corruption. At this high school they encounter a secret ninja order and a corrupt administrator, as well as a tragic death in the distant past. With the help of Kotetsu, a skilled ninja, they set the school to rights, but not before leaving several broken hearts behind.