Encouragement of Climb has been adapted into a 12 episode TV anime in 2013 and a 24 episode sequel series in 2014, both of which feature direction by Yusuke Yamamoto and animation by 8-bit.
The original Encouragement of Climb manga by Shiro is serialized in Earth Star Entertainment’s Comic Earth Star shōnen manga magazine.
Since 8-bit is reportedly working an a sequel series this year, some fans are already speculating that the “big announcement” may be a 3rd season of Encouragement of Climb.