Accidentally traveling through parallel time and space, in this world, the monsters and Ultraman in the fantasy tokusatsu are no longer fiction, but reality.
In order to better deal with the successive emergence of vicious monsters and invading space beings, the Earth Defense Force established a special defense force equipped with the latest technology, the Special Defense Force, or SDF for short.
Reborn, would you choose to be an ordinary person, or would you choose to join the Earth Defense Force and protect others?
Mainly for friendship, substitution. Note, only girls can substitute. Otome type is allowed, but BL is not allowed.
Purpose: The wish is world peace
