"Once, twice - it has always been like that. Light in my life slowly fades, as if it has never been there. In the end, I have no choice but to accept everything - but I don't regret any of those I did. A monster? Perhaps a perfect word for me. After all, being a monster isn't so bad."

Synopsis: 

Ichinoe Kyouya, an ordinary 23-year old unemployed was found “dead” in an accident. However, he soon woke up to find himself being alive as his 8-year old self back in the past. This time, though, he has to prevent both his death and others’ which happened not long after his death.