According to Japanese web site Nikkei, SEGA Sammy (commonly just known as SEGA) will be acquiring Index Corporation's gaming business. The transaction is said to be valued at ¥14B, ($141 million in U.S. currency).
Index's gaming business includes Atlus, developer and publisher of games such as the Persona series and Etrian Odyssey Untold: Millennium Girl, the latter of which will be releasing October 1st in North America.
Index put its gaming division up for sale to help deal with its current debt of ¥24.5B ($242.9 million).
The deal should be complete in November.