Mizoshiri Shohei has just been assigned to the organized crime division and has already developed a crush on his senpai, experienced detective Hino Toranosuke. But when Hino gets shot, Mizo feels responsible and decides to take drastic measures.
Psychedelia is a completed manga by Takahashi Hidebu, first published in 2021. It blends psychological, boys' love and mystery. You can read all 9 available chapters of Psychedelia online for free on MangaPulse; the newest is Chapter 6.3, added 2022-11-17. The series is finished, so you can read it from start to end in one go.