Durarara!! Saika Arc Series by Akiyo Satorigi, Ryohgo Narita

Ikebukuro, Tokyo-a neighborhood where twisted love prowls!!A series of street slashings in Ikebukuro begins to connect total strangers:A teenage girl with no personality of her own; a beat writer for a third-rate tabloid; a teacher suspected of harassment; an informant based in Shinjuku...and a headless rider straddling a pitch-black motorcycle!!Meanwhile, the slasher continues to terrorize the night, all in search of..."him"!?

I want to see Shizuo. Soon, soon, soon... A mysterious serial slasher has struck in Ikebukuro. The username "Saika" appears in online chat rooms in sync with the attacks. Saika-the name of the demon blade that appeared in Shinjuku years and years ago... In its chat room posts, Saika repeats one name over and over again, as though singing the praises of its beloved: Shizuo Heiwajima, Shizuo, Shizuo...

We love all of humanity.Mysterious chat room messages, all posted under the name "Saika," profess love for humanity - and for one man in particular. Saika's target: Shizuo Heiwajima!! Over fifty people have been struck in the worst case of serial slashings in the history of Ikebukuro. But the slasher's victims have tasted not only the blade, but also the vision of their attacker... moreWe love all of humanity.Mysterious chat room messages, all posted under the name "Saika," profess love for humanity - and for one man in particular. Saika's target: Shizuo Heiwajima!! Over fifty people have been struck in the worst case of serial slashings in the history of Ikebukuro. But the slasher's victims have tasted not only the blade, but also the vision of their attacker. A vision of love, love, love that can only be realized when their own blades have pierced the bodies of their beloveds. Shizuo braces himself for a battle to the death in the shocking climax of the Saika Arc!! less