Margrave’s Bastard Son was The EmperorIan the Illegitimate Son Was an Emperor; 변경백 서자는 황제였다; Byeongyeongbaek Seojaneun Hwangjeyeotda; The Margrave's Bastard Used to Be the Emperor; Margrave's Bastard Son Was the Emperor; O filho bastardo de margrave era o imperador; O filho bastardo dos margrave era o imperador; El hijo bastardo del marqués era el emperador; Бастард был императором; จากจักรพรรดิสู่ลูกนอกสมรสของมาร์คกราฟ; 辺境伯家の落ちこぼれは皇帝だった; 边境庶子是皇帝

“An emperor who died unjustly becomes a wretched bastard son!” Ian, a wizard of the Bariel Empire, became emperor at a young age, but was imprisoned due to his nephew’s rebellion. However, he was saved by the wizard Naum using forbidden space-time magic. This magic leads Emperor Ian 100 years into the past, where he possesses Bastard Ian, the illegitimate son of the Margrave family that went extinct 100 years ago. Bastard Ian is about to be taken hostage by the barbarians! Ian is about to get caught up in a bloody conspiracy!!!