D_Cide Traumerei the Animation (2021)

S1E9 The Man Who Stops Time

Ryuhei discovers that his brother's final message ties back to a malevolent force that once dominated the planet, as shown in ancient texts and prehistoric art from Yura Island. As they confront the Weird, life moves at a steady pace, marking the season for career counseling at their high school. Meanwhile, an enigmatic event unfolds that captivates Ryuhei, Reina, and Airi, drawing them into its mystery.