Boku wa Imōto ni Koi o SuruBoku wa Imōto ni Koi o Suru.

Boku wa Imōto ni Koi o Suru (僕は妹に恋をする; lit. I'm in love with my sister; abbreviated to BokuImo) is a Japanese manga series written and illustrated by Kotomi Aoki. Originally serialized in the magazine Shōjo Comic, its chapters were published in ten tankōbon volumes by Shogakukan from May 2003 to August 2005.