enjo kosai
n.— «The proliferation of online dating sites has led to a rise in enjo-kosai (“compensated dating”), a euphemism for teen prostitution, in which girls sleep with men they meet in chatrooms in exchange for cash or gifts.» —“Japan alarmed by increase in teenage sex” by Justin McCurry in Japan Guardian (U.K.) June 18, 2005. (source: Double-Tongued Dictionary)