Haré was a happy boy living out his days in the jungle with his mother, but then one day Guu showed up and became a member of their household. Throughout the series he faces many hardships as he tries to keep Guu out of trouble in the jungle.

Makino Tsukushi, a girl who comes from a poor family, just wants to get through her two last years at Eitoku Gakuen quietly. But once she makes herself known by standing up for her friend to the F4, the four most popular, powerful, and rich boys at the school, she gets the red card: F4's way of a "Declaration of War." But when she doesn't let herself be beaten by them and is starting to fall for one of the F4, Hanazawa Rui, she starts to see that there is more than meets the eye... (Source: ANN)

In a distant future, Earth has become a wasteland and humanity as we know it has died out. All that remains are sentient robots. They were supposed to be able to live forever—until the one called Luna died and The Ruin started. Their bodies will rust, and there is nothing that can be done to fix it. Now the robots are left only to contemplate their deaths, kept going only by the rumor that if they eat the one called Casshern they will gain immortality. Casshern knows nothing about his past, why he exists or what he is, but he must find out or he will face the constant torment of being hunted by robots who don't want to die. Casshern leaves death wherever he goes, but he must face it if he is to find out the truth of this world. [Written by MAL Rewrite]

It was officially announced at the Dengeki Game Festival 2015 event that Strike the Blood will be getting a two-episode OVA series to be released at the end of 2015. The OVA will be an original story written by Gakuto Mikumo.