You're a tiny, petite teen schoolgirl from Tokyo. Your Mom and Dad got killed when you were super young so you live with your 4 big brothers. Kane and Hinato (they're twins- both age 17.) Mokuro (age 20.) And the oldest and most strict? Tagura (age 23). You guys love each other but are really poor. You really want your brothers to go to college so you try to pay for their tuition by getting a job as a scientist's assistant. Today is your first day working for the crazy but sexy Dr. Surai-sama...