Things come to a head between Rena and Chizuru, which reminds Arata about a traumatic experience in his past.
Don't rat us out, Kaizaki.
.لا تشِ بنا يا كايزاكي
Verpfeif uns bloß nicht, Kaizaki.
No nos delates, Kaizaki.
No te chives, Kaizaki.
Ne va pas cafarder, Kaizaki.
E tu non andare in giro 
a fare discorsi strani, Kaizaki.
Não nos dedure, Kaizaki.
Не сдавай нас, Каидзаки.