After fighting with her father, the gal girl 'Hikari' ended up staying at her brother's house. One day, she gets aroused hearing her sister-in-law and brother having sex, but upon finding out, her sister-in-law 'Aya' starts to play pranks on 'Hikari,' seemingly enjoying the situation where she might get caught by her husband….
【※There may be some distortion in images and audio】
