Being diagnosed with a terminal illness, Hana doesn’t have much to live for. When she unwillingly catches the attention of the flirtatious demon Kāi, he makes it his goal to steal her heart within thirty days. What starts as a funny game to him soon gets serious when they begin to fall for each other. However, Hana’s life is fading fast...      

After a spell goes out of control, Minji finds herself bound to the attractive yet obnoxious demon Baëkhyun. At first, she can’t wait to get rid of him, but fate has other plans. When they are confronted with a serious threat to their lives, they need to depend on each other to survive while coming to terms with their budding feelings for each other.  

a guardian demon loses her angelic counterpart, so who else better to save the day than the guarded one herself?

Prosecutor Wu saving an injured tabby cat on his way home, bringing it to the vet.

In which Bae Joohyun, a rookie demon slayer decides not to read the address and ambushes the wrong apartment unit. Only, it turns out to be owned by Demon Lord, Kang Seulgi. She ends up getting lessons on how to slay demons by... the demon lord herself.