Expedition member Toshio confesses his love for Gin, and asks if Shirase knows anything that might help him get closer to her. Shirase tells him that Gin was just a friend of her mother's, so the girls insist that Shirase go to talk to Gin herself.
How long have you known her?
منذ متى تعرفينها؟
Seit wann kennst du sie?
¿Hace cuánto la conoces?
¿Desde hace cuánto la conoces?
Tu la connais depuis quand ?
Da quanto tempo la conosci?
Desde quando a conhece?
Сколько ты её знаешь?