Togainu no Chi - 1x06 - Season 1, Episode 6- Followmy.tv

A man (in the shadows) murders everyone in a club, meanwhile Takeru drinks Line. Akira goes around the city searching for Keisuke, Rin is back at the hotel, and overhears a conversation between line users. Akira continues to search and discovers the bodies of the men in the club, to which he is sickened. While walking into an alleyway he is attacked and beaten by Takeru; Takeru licks Akira’s blood and begins to choke then slowly retreats. Rin and Motomi have a conversation about drugs/city/life. Takeru thinks about his sister and regrets leaving her, but dreams of winning Igra for his family. He is then discovered by Keisuke, who superpowered on line, crushes Takeru's skull. Keisuke then goes to meet Akira; whom he knocks out and then carries him off.