Kouton: Kou Hiyoke : Rain Release: Rain Blind Kou Hiyoke is a Jutsu for a quick escape. Upon executing the hand seals for this technique, a flash rain appears, coming down in sheets, to blanket your getaway. Repeated users of this Jutsu are fond of using Kawarimi to replace them with a splash of water. The flash rain may catch you off guard and daze you for a moment, even if you expect it.