Shirobako - Ueyama Koukou Animation Doukoukai - Vol. 1 Ch. 4 - It's tough but fun..

[MangaDex]

 

[ClammyMantis488]

Oh no she was trying so hard too
P.S. thank you translators for picking up this manga I forgot about.

 

[JohnJRenns]

i am convinced this is the story of Ema's secret harem