奴隷勇者の異世界譚～勇者の奴隷は勇者で魔王～

Middle schooler, Hadzuki Jin, was summoned into another world as a hero but sent back to the original world without being able to protect many important things.

After sent home, memories faded away as if it were a dream, and in his own helplessness, only the ring given by the summoner princess remained.

Three years later, Jin, who became high school student, participated in the new single release commemorative handshake event of Saya Marena, a popular high school voice actress who played his favorite anime heroine.

When Jin held Rena’s hand, a magic circle was spreading at the center of Rena’s feet, both of them were summoned into another world.

The boy who once summoned as a hero was summoned again to the same world.

A new hero, as Rena’s slave–