Lost Kiss ~Kare to Unmei no Ren'ai~

One day, you were caught in a traffic accident on the way home.
Then, you heard a voice inside your consciousness.
"Don't worry, I'll surely save you".

You wake up but somehow, it's still a month before the time of the accident.
Five men appear in front of you, claiming they are Grim Reapers and telling you you have only a month of life left.
While the clock ticks, you'll have to face your own destiny -