Serie includes 10 albums .
Oneechin8 - Chubby Sister
Oneechin9 - The Danger Of Holding Back
Oneechin10 - Customer Survey
Oneechin3 - Lets Go Straight Home
Oneechin7 - Sexing Is Believing
Oneechin4 - Is This Okay Onee-Chan
Oneechin6 - Could I
Oneechin2 - A Is The Required Grade
Oneechin1 - Onee-Chan Theatre
Oneechin5 - Um..Listen