The Worst Covenant

Exchanging for power, the cost of revenge is selling oneself!? Follow the passionate newlywed life of an immature S demon and an upright M mercenary! Iya, a young boy seeking revenge for his family who was killed, enters a contract with a demon to help him achieve his goal. After a decade of hiding…

• Format: MANGA
• Genres: Adult, Fantasy, Romance, Smut, Supernatural, Yaoi

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