Mari-chan is an athletic girl with black hair. She has a big butt that she has trained through sports. She first introduced herself to the camera by talking about her first experience, and then performed a self-portrait masturbation session. Also includes events that happened in Namari's daily life. She was peeing in the bath when her drunk father came in. She went to a treatment clinic after returning from club activities to cure her lower back pain... Her throat and stomach hurt so we went to the local doctor... This is a work full of Mari-chan's charms! !