Poor Poor Lips
Manga
GL (Girls Love)
Poor Poor Lips is a Japanese yuri yonkoma manga written and illustrated by Hayako Gotou. It was serialized in Takeshobo's Manga Life from September 2006 to September 2012 and was licensed for an English-language release by JManga in 2012. The series follows Nako, a poor 21-year-old who begins working at a jewellery store along Ren, a rich lesbian who owns the store.
Description from Wikipedia, available under CC BY-SA 4.0. May be shortened.