AUKG-317 My brother's wife is having lesbian fun with me... ~Chinami is flustered! My sister-in-law Kyoko is suddenly getting close to me!~

A secret lesbian relationship between step-sisters unfolds in a house! Chinami moves to Tokyo to attend university and stays with her brother and his wife until she can find an apartment. However, she gradually begins to feel uncomfortable with the physical contact between her brother's wife, Kyoko... but at the same time, she also finds herself drawn to her attractive older sister-in-law...