Gajang Wanbyeokan Siksa

Actually, kissing isn't strictly necessary. It's a service, a way to arouse the target before sucking blood, thus reducing the pain of the bite.

(Source: Bomtoon, translated)

Note: Part of the 2022 Summer GL Post Type Anthology ([GL] 2022 포스타입 앤솔로지ㅣ여름).