Tonari no 801-chan (となりの801ちゃん, Tonari no Yaoi-chan, lit. My Neighbor Yaoi-chan) is a Japanese four-panel Internet manga written and illustrated by Ajiko Kojima. It centers on the relationship between a male otaku named Tibet and his yaoi-obsessed fujoshi girlfriend Yaoi whose obsession manifests as a small, green furry monster. Kojima started the manga on April 18, 2006 on his blog. Ohzora Publishing released the first bound volume in December 2006, and by June 2007, it had sold 150,000 copies. Eleven volumes have been published. It ended in 2016. The manga began serialization from the first chapter in Ohzora's Romance Tiara magazine in April 2009.