It's 2018, this site hasn't been updated in 5 years, and whaddaya know...
1) PIANO NO MORI IS LICENSED IN ENGLISH!!! Kodansha started releasing in October under the title
Forest of Piano and 8 volumes have been released as of Dec 4th,
check out the digital editions here~
2)
Piano no Mori has aired the first season of an anime, with Season 2 coming in 2019!!
Season 1 is available on Netflix so please do check it out (I have to watch it myself, haha)
In other news, the site has migrated web servers (yet again), and given the above changes I will actually attempt to make some efforts to revamp the contents on the site when I have time. But no promises (^▽^;)