JK Haru is a sex worker in another world 4.

Transported to another world with her classmate Chiba after an accident, Haru is becoming ever more successful as a sex worker. She gets closer to the fascinating, mysterious man who only comes in on rainy days, but her relationship with Chiba grows more conflicted. And her co-worker, Shequraso, is excited about being summoned to the military barracks to sing…but is that what is really up?