Gameko no Chouboroku

Summary

Kurosawa Mako, nicknamed "Gameko" (roughly "stingy girl"), makes money by selling her homework, class notes and lunch and by offering services like tutoring for exams, writing class reports, switching cleaning duties, hair-styling for the girls in the class, giving massage to her classmates etc. But there is a reason why she has taken to these weird money-making ways... (Source: MU)