It is a category that publishes sound effects and SE material that expresses the onomatopoeic "Piyo Piyo". In this category, there are three types of sound effects that express natural sounds such as noises, mechanical sounds such as traffic lights, and confusion. Natural sound prepares various twitters such as chicks and ooruri. Sounds combined with the flow of the river are perfect for expressing nature. The mechanical noise is the guidance sound of the pedestrian crossing. You can use it when you want to produce the city by sound. Sound effects are sounds that are used during confusion. Please for battle scenes in the game. In addition, the alarm sound related to the song and the cancellation sound in the game are also posted. If you are looking for sound effects and SE materials such as "Pyopiyo" in the video production such as program animation that uses the production by sound, the game production that requires various sound effects, and the application development, you are looking for from this category receive.