AP-124 "It's not my fault! It's the big-breasted sister's fault!" The only friend I have as a shut-in is my sister! My sister is very kind, smart, and cute, and she has huge breasts! She is the ideal woman for me!

Film Introduction

My only ally is my older sister who teaches me how to study and takes care of me! You are the ideal woman! But sometimes I wear clothes with a high degree of exposure that reveals the cleavage of big breasts, and at that time I can't study at all and naturally get an erection! It was quite a shock when my sister noticed it and pulled it! That's why, I forcibly rubbed my chest and did it with all my might!