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it is full color the mc was seen as a low rank weakling and no one wanted to be if I remember right a alien race is attacking human race at times but they fight by gaining beast power he goes to the transfer tower to go to beast world were you fight the beasts and when you eat beasts you have a small chance to gain a power and or can transform into the beast if I remember correctly he had a golden beetle transformation but later he gained more transformations he even raised beasts and fed them special things to make chance to get power higher he joined military like group after a woman recruited him were he trained on special machines he than went to academy where he joined a mecha club where he fights and he made top position in a game that tests reflexes well left off here