Airi, seorang yang memutuskan untuk tinggal bersama tunangnya, discovers that the man who had committed suicide there for a long time is her fiancé's brother. Drugs piled up and the criminal ● Airi moves to escape, but she cannot stop trembling in fear of a reunion. The Kuzu brother-in-law approaches Airi, who seems to be uncomfortable. “It’s a fateful reunion. No way, my sexual pet will become my sister-in-law.” I cannot escape from Kuzu's brother-in-law, who can only find the meaning of life by continuing his commitment to me.