Izumi Miyamura is one of the two leads in Horimiya, a romantic comedy that follows a seemingly ordinary high school student with a very different private life. His embarrassed reactions became a favourite detail for fans because they contrast sharply with his quiet, guarded manner at school. Clips like this one spread through anime edits, reaction videos and soundboards, where editors reuse short vocal moments to punctuate shy or awkward scenes. It remains useful because the feeling is instantly recognisable, even for viewers who have not watched the full series.