I Was Raised By The Boss

The MC accidentally entered a hidden boss lair when he was younger, and in the midst of corpses, he was found by the hidden boss and got adopted by him. The boss sees the MC as a toy at first, but as time goes by, looking at the interaction between the cruel boss and the young boy…they somehow seemed like a family?! The Demon King’s Champion / B Is for Boss / Aku Dibesarkan Oleh Seorang Boss / I Was Beaten by Boss / I Was Beaten up by the Boss / I Was Raised by the Boss / The Demon King’s Champion / Wo Bei BOSS Zou Da De / Wǒ Bèi BOSS Zòu Dà De / 我被BOSS揍大的