Kotoko is finally a full-fledged nurse, but worries that due to her lack of experience, she'll be a burden on Naoki.
Welcome home, Naoki.
Willkommen daheim, Onii-chan.
Bienvenido, Naoki.
Bienvenido, Naoki.
Bon retour, Naoki.
Seja bem-vindo, Irmão.