School bells in Japan are typically electronic chimes rather than traditional hand bells, and they are a familiar part of daily life for students, marking the start of lessons, breaks and the end of the school day. Because anime, dramas and travel videos so often feature Japanese classrooms, this sound has become instantly recognisable outside Japan as well. Creators reuse the clear, full version online for school-themed edits, memes and roleplay videos, where a few seconds of the chime is enough to place the viewer inside a Japanese school without any explanation.