In a World Full of Zombies I’m the Only One Who Doesn’t Get Attacked Anime Reveals RetBear Opening Theme

The upcoming TV anime In a World Full of Zombies I’m the Only One Who Doesn’t Get Attacked has revealed its opening theme song ahead of its January 2027 premiere. Music project RetBear will perform “No Reaction,” a new track produced by Kairiki Bear, the Vocaloid creator known for songs such as “Venom” and “Darling Dance.” The announcement was made on October 10, which is also known as World Zombie Day. Alongside the theme song reveal, the anime’s key visual…