"At this rate... I'll cum from errand boy's tongue technique...!" She's been seized by his long tongue. Her body bends backwards from pleasure she's never experienced before...

(Source: Coolmic)

Note: Originally serialized as a web manga under the title Pashiri no Shita Tech, Yabaitte: Ebisoriiki Suru Shouiki Gyaru (パシリの舌テク、ヤバいって…ッ～エビ反りイキする生意気ギャル), with each chapter split into 3 ‘episodes’.