Littleforestmello
English name: Littleforestfellow
Type: ONA, Episodes: 3
Aired: Sep 6, 2016 to Sep 21, 2017
Source: Original
Rating: G - All Ages
Synopsis:
An introductory anime of Littleforestfellow, who is a rabbit boy and the second cousin of My Melody. He is nicknamed "Mello" (めろぉ). He really likes My Melody and likes to collect buttons with her. His birthday is on January 18th, just like My Melody. 

(Source: Wikia)