Kokuhaku (告白) is an album by the Japanese musical trio Chatmonchy, released on March 4, 2009.

It peaked at number 2 on the Oricon charts,[1] and contained their single "Last Love Letter", which peaked at number seven on Oricon.

[3] The band went on tour to showcase their new songs, and during this tour they played at the SXSW festival in Austin, Texas.

After the success of the album, the band went on to participate in many cameos for popular anime shows, and movies.

[citation needed] However, after the band finished one of their tours in 2011, Kumiko (drums/chorus) announced that she would be leaving the band, on friendly terms.