Izaya appeared in the second half of a collaboration event with Durarara!!. He requested a snack with personality and a knife from this world. After receiving a combat knife and teriyaki strawberry flavored demon snack, he would give players the Shady Informant's Knife.
In promotion for the game's upcoming release, an article in Famitsu highlighted that Izaya, along with his cast mates Celty Sturluson and Shizuo Heiwajima would appear.
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