Darkissei hikaye

When young Issei never developed a sacred gear unlike his siblings, his life turned for the worst. Having everything repeatedly taken from him, Issei decides enough is enough. And now a worse threat than the Chaos Brigade show up, to bad there 'hero' decided to accept the darkness. (Oc)Issei x harem.

Issei died due to his date, however the fallen dragon within his soul wanted to keep its host