M will be celebrating four years of activities on January 30th with a oneman live called 『根暗本舗』 (Nekura Honpo) at Holiday Osaka. At the live they will be selling a collection of sold-out works called 『完売音源集～あの素晴らしい日々をもう一度～』 (Kanba Ongenshuu ~ Ano Subarashii Hibi wo Mou Ichido). The live will cost 3000 yen to attend.
They’ve also announced that in the spring of 2010, they will be releasing a full album!
More details on that as they become available.
Source: Planet CHILD Music OHP