Ao no Hako Episode 5 English Subbed Episode Title: Aquarium Episode Description: Kyo proposes to Chinatsu on taking Taiki to an aquarium as Taiki wins the match against Kishi. As his peers congratulate him, Taiki receives Chinatsu's offer, surprising him. Witnessing this, Hina congratulates him on getting closer with Chinatsu and calls their upcoming outing a date, though her friend Niina Shimazaki takes note of her looking sullen after separating from Taiki...