The protagonist of [[Rozen Maiden]]. A middle school hikikomori fascinated with dolls who unwittingly becomes [[Shinku]]'s master. He is short-tempered and reclusive due to the pressure he feels from being lonely, with only his sister [[Sakurada Nori]] and classmate [[Kashiwaba Tomoe]] being able to talk to him. 

He has [[short hair|short]] [[black hair]] with [[parted bangs]] and wears [[black-framed eyewear|black-framed]] [[glasses]]. He usually wears a [[blue hoodie|blue]] or [[white hoodie]] with the [[hood down]] with [[long sleeves]] and [[blue pants]].

In the unwound world, he has dyed his hair [[brown hair|brown]] and a wears a [[collared shirt|collared]] [[white shirt]].
桜田ジュン