Akumu_Igarashi
Sorry and Goodbye is a story about a boy with magic that was hidden, his name is Kazami Muneshige and a girl with also have a magic her name is Fukushima Hikari. They are enemy at first because Hikari didn't know that Muneshige has a magic but when they fought each other and Hikari loses they became best friends but as the time pases their feelings go deeper and things start to be complicated . . .
Until one day they fought the Demon Lord and they beat it up but they got killed also. As a reward they can be reincarnate to this world . . .