Upon learning the truth about his father, Yukiji sets a trap to catch him. Tabito heads to Yukiji's vacation house and there finds a massive amount of Lost.
Aika receives a stuffed animal from her boyfriend who died 16 years ago. Tabito looks for the sender and visits a shop where the same stuffed animal was manufactured and sold.
After his trust in Tabito fails, Yukiji runs away. In the meantime, Haruka's shocking confessions confuse Tabito.