ระบบสังเวยเมคา โหดเกินต้าน

He accidentally travels to a world of mechas and awakens a mecha sacrifice system. By sacrificing five first-level mechas, he can crush a second-level mecha. He thinks he can finally rise up. But he is bullied by his own family and his mother is dragged into it. At the critical moment, will he still choose to hide his true power?