Mentori
Japanese title: めんトリ
Type: ONA
Source: Other
Episodes: 10
Status: Finished Airing
Aired: Dec 14, 2017 to Feb 15, 2018
Duration: 3 min per ep
Rating: G - All Ages
Producers: Anime Beans
Genres: Comedy
Themes: Parody

The "Mentori" mascot originates from a series of line stamps meant to evoke the feeling of "mendou da ga toriaezu henshin" (it's annoying, but I guess I'll reply). The anime follows the birds in a gag-filled comedy quite often breaking the 4th wall. 

(Source: ANN)