Angel's UseChinsaui Yongdo; How to Use an Angel; Предназначение ангела; 천사의 용도; 被天使盯上的恶魔

I was kidnapped by a bunch of crazy people who said they were going to summon a demon here in the 21st century. Fortunately, just when I was about to be sacrificed, a man with an "angel-like" face broke through the wall and appeared! ...But didn't you come here to save me? Why are you aiming your sword at me...?