Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
--25XX years.
A world in which humans can only live in isolated colonies.
The main character who goes to the school was bored with his unreplaceable days.
His days are not moved by the rumors of "Ally of Justice" and "Vermin", the enemy of mankind, or even by the good-looking men of the school.
One night after leaving the dormitory, he encountered "Vermin" who invaded the colony, and his life is complete!
However, four girls appear there and repel "Vermin" with their mysterious abilities.
The main character who works as "Ally of Justice" after the incident, and keeps busy with his student life as Ally of Justice.
There are more opportunities to talk with the rumored good-looking men for some reason?
What is her / his secret?
And who is the enemy?