Sosuke just moved to Tokyo after two years of failing to get into college. He gets temporary accommodation at a friend's house. What he does not know is that his friend is married to a gyaru...

Notes:
- Originally serialized as a web manga under the title Gal Mama to Pakopako SEX: Hitozuma no Chouzetsu Tech ni Maji Iki Zecchou! (ギャルママとパコパコSEX～人妻の超絶テクにマジイキ絶頂！).
- Each chapter is split into 3 ‘episodes’ on mobile reading platforms.