Doomsday Summon: I Start by Summoning the Legend!

All human beings were collectively transported to the wild world. Everyone gained the ability to summon strange beasts. In order to fight against the alien beasts, base cities were built one after another. The protagonist gets a summoning system at the beginning. Summon mythical summoned creatures. Take back the survival territory for mankind! .................................................. "Who is dissatisfied? You are the one who will be beaten!" "Come one and I'll fight one!" "Come two and I'll fight a pair!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.