Realizing the girl sitting next to you on the night bus is a sexy schoolgirl, you get a stiffy. She notices your hard-on, and starts toying with you. Things escalate further, culminating in an exciting adventure in the service area washroom...
One night, you were on your way home from work when you met a runaway. With no place to stay, you thought one night would be fine... but the wheels of fate began to go haywire, leading to a life of endless banging.
The setting is a "delivery health" (dispatch brothel) service where all the girls are from "Isekai" (other worlds), and it would seem that semen is the only source for replenishing their mana in this world.
「또 야한 부탁이나 하고… 정말~ 어쩔 수 없네…」 대망의 순진 보○ 당번의 뒷이야기를 그린 이야기. 이에 더하여, 순애짱, 순정짱이 보고 싶어 참을 수 없는 당신에게 드리는 스페셜 추가 스토리까지. 보○ 당번 총출동. 자, 이번에도 잔뜩 어리광 부리며 울끈불끈 자○를 달래달라고 합시다.
You're in the car with your girlfriend, Iyu, after your date... As you give her a goodbye kiss, her horny switch gets flipped on! Going to a hotel would take too long, so you decide to do it in the car...