Shin High School D×D is a light novel series set in the High School DxD universe. Continuing from where Volume 25 of the previous light novel series left off, high school student-turned-devil Issei Hyoudou is still pursuing his dream to be a harem king.<br>
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(Source: TV Tropes)

Hyodo Issei is a (perverted) high school boy. When he goes out on a date with his first girlfriend Asano Yuma, he is killed by her. Her true identity is Reinare, a fallen angel sent by a secret society Grigori to eliminate dangerous divine weapons. Issei is reincarnated as a devil by his senpai Rias Gremory, a Duke of Hell. Issei serves as Rias's low rank devil and fights against the fallen angels. 

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