Kanako Urashima (浦島 可奈子, Urashima Kanako) is Keitaro's younger step- sister, Kanako prefers to conduct herself professionally in whatever she does;.
When Naru and Keitaro decided to travel Japan after having failed their .. an incident where Motoko had caught her sister having sex, Motoko became mortified.
Kanako Urashima has been keeping a secret for a long time. already guessed, in here, Kanako shows up early with a baby fathered by Keitaro. . I forget a lot of things, but having sex certainly isn't something I would forget.