Koganei Niko, Laugh at School! - Her Full Name is a Four-Character Idiom

Koganei Niko, a VTuber from Hololive's unit FLOW GLOW, is reincarnated into a modern Japanese private high school. She is determined to turn the school into a place of laughter, but on her first day her full name is mocked as sounding like a four-character idiom, and her school life starts rolling in an unexpected direction. She is surrounded by overly unique people. Yano Iku, the serious class rep, reacts to every one of Niko's jokes with red-faced outrage, but secretly he is weak to her smile