[Chinese Subtitles] A busty older sister who deeply loves her younger brother spoils him so much that his penis swells up every day in their loving, intimate life of cumshots. (Oryza Mari ROYD-175)

The secret of my strict female boss at work is that she's having a forbidden sexual relationship with her younger brother whom she lives with! "My adorable little brother whom I'll always adore! I can't say this to anyone..." But I love you so much, I can't control my desires! I thought my happy days without these disturbances would continue...