This sound is from A Silent Voice (Koe No Katachi) Soundboard

'The Shape of Voice' is a 2016 Japanese animated drama film produced by Kyoto Animation. Miyu Irino and Saori Hayami signed on as voice casting in May 2016 and the theatrical release poster and official trailer were released in July 2016. The film won the Japanese Movie Critics Awards for Best Animated Feature Film.
See also: A Silent Voice (manga), Silent Voices, A Shape of Light, List of films featuring the deaf and hard of hearing, Naoko Yamada, and List of highest-grossing adult-oriented animated films.