Kaoru thinks about his father again. In a laboratory, his father shows one of his employees an invention, only to be disappointed at his reaction. Kaoru then thinks back to when Shinobu made a remote-controlled airplane, and their father was very proud of Shinobu. It is revealed that their father cares more for Shinobu than for Kaoru. Their uncle, their father's business partner, tells Kaoru than the father is very much like Shinobu, reckless and eccentric. Their uncle was diagnosed with a disease, restricting him from working. The uncle stops working alongside the father. Instead, he joins with another business, Floyd Electric. Floyd Electric comes to the laboratory to see the father. The father knew already that the uncle betrayed him.
森田忍の兄・馨は幼少時を思い出す。馨は幼い頃からずっと、自分の父と弟にあって自分にはない何かに憧れ、またそれを見出そうともがき苦しんできた。そして馨は、今更ながら父・司の親友でパートナーの根岸のおじさんの寂しそうな横顔に、同様の気持ちが介在していたことを理解する。まだ馨と忍が幼かった頃、父の作った小さな会社は、根岸によって外資に経営権を奪われることになるのだが、根岸にもそうせざるをえない理由があったことを…。
