Isekai Demo Fuuzoku Jou Yatte Mita

Stranded in a fantasy world inhabited by magical beings and demons, call girl Yuzuki has only one clue on how to get home again: her enchanted grimoire has a list of creatures she must pleasure in order to break the spell. Fortunately that's all in a day's work for this consummate professional! The skilled and chipper Yuzuki introduces her own magic to the land in this upbeat tale of service with a smile.

(Source: Seven Seas Entertainment)
Note: Includes 8 extra chapters.