Arifureta: From Commonplace to World's Strongest Zero Light Novel, Vol. 1-6

Third-rate Synergist Oscar Orcus wants only to live a peaceful life, raising money to support the orphanage he grew up in. All of this changes when the whirlwind that is Miledi Reisen storms into his life. Miledi, seeing Oscar’s hidden potential, wants to recruit him for her mission to defeat the gods. Oscar wants no part of this–but when the orphanage suddenly comes under attack, he may have no choice!