https://ridibooks.com/books/2404020021?srsltid=AfmBOooJ5fT7wwmMDtn2TvAoDHzW0q_oL49J4vt2zXdJ_BbBM1yWh_f9
Nike, the chosen master of the Holy Sword,
is a human and Omega who was the sole survivor of the battle against the Demon Realm.
However,
to the demons, human Omegas are
nothing but the sweetest and tastiest prey.
Offered as a sacrifice to the Demon King, Nike becomes pregnant and
gives birth to a cute hybrid named Nichrome.
"I want to find his father."
Although the child has demon blood flowing through his veins, she sets out to find his father
for the sake of her beloved Nichrome's future . The only hint is the pattern on his chest. Will Nike succeed in finding Nichrome's father? <Find the Father!> Mission Start!
Good if you want demon theme
the site is in korean
My bad no one's translated it yet even in desirescan or any kind of platform
If anyone who loved to read No romance action here's my list,
https://www.mangago.me/home/mangalist/4110422/
i was about to write smt nice but then i looked at your username and oml got me laughing real hard tho
you should put Villain to kill, Leviathan and Shotgun boy in the list too, they're soooo good