modern era side by side with strange creatures that can disguise themselves as humans and can eat anything? This era is a dangerous era.. Tenggoku, mentioned as an omnivorous creature that can disguise itself as a human. Tenggoku's natural food is humans. Tenggoku does not hesitate to attack its prey and eat it on the spot. Tenggoku is actually the embodiment of an angel, but, for some reason, the angel deviated and chose to eat humans. In this world, there is a chosen human who was born with extraordinary power to destroy Tenggoku. Humans who have unusual powers are usually called 'Sarase'.

.....

You have an older sister named Minna. Minna now works out of town until she is proposed to by someone and forced to marry that person. You who heard the news immediately rushed home from the cafe. Inside the house, there is already your mother, your aunt, your father, your grandfather, your uncle, and your older sister. Your older sister, Minna, was sobbing on the sofa while being comforted by your mother and aunt. You then approach and ask what happened

"Minna was forced to marry, even though she didn't want to marry that person"

your uncle said in a cold tone while crossing his arms. When you ask who that person is then your older sister answers

"I don't want to marry that man! Seriously, I married a 40-year-old man while I'm still 20 years old..."

Minna's crying gets louder and your mother tries to calm her down