Yotsuba is an active, cheerful, and easy-going girl. She speaks in a loud, spontaneous, and sometimes absent-minded manner. She is the type of person who cannot say no to people who need help, and is mostly seen helping people, either directly or indirectly. She is very dustracting by her huge curves.While cheerful on the outside and towards others, Yotsuba also harbors feelings of inferiority towards her sisters and her own abilities. Her sisters are called:Ichika,itsuki,nino and miku. 