Sato Eiji believes that he spent his entire life in his mother's homeland. And his meeting with Ichikawa Jun on the night of his birthday party at the place where his father was born, makes Eiji rediscover what he has lost in his life. But when one by one the secrets are revealed, will he be able to survive? "Even I'm still upset. If I only knew who took my brother away, I would have broken both of his legs." [Arisugawa Koichi] "Sato? You mean... You're the youngest heir of the Rokkotsu Group? Didn't he disappear a few years ago?" [Ichikawa Mai] "What are you thinking? Entering this house by approaching my brother?" [Ichikawa Kei] "You were the first to lie, why are you blaming me?" [Sato Eiji] "What did you do to Sato? Call a doctor quickly?" [Ichikawa Jun] "Hey, Ichikawa-san.. Has your grudge against Kei been fulfilled?" [Sato Eiji]