Ribunesu Vol. 8

"I don’t need anything else except my little sister’s smile," boasts high school student Tetsu. When his sister, Kasumi, enrolls in the same school, she receives a lot of attention from the guys as well as is invited to join a lot of after schools club – all of which alarms Tetsu who had come to think of her as the ideal little sister. Helping her with studying and diets, even fixing her bra straps, Tetsu struggles to be the ideal big brother…
Notice: This manga is written in Japanese.