Surfer

This supporting character makes their appearance in the Season 2 arc titled 'Midsummer Beach House Drowning Incident.' While engaging in surfing activities along the coast, they became entangled in a murder case involving a victim found drowned, placing them among the individuals directly connected to the crime scene. As Kamo no Hashi Ron and Isshiki Tōtōmaru pursued their investigation into a premeditated killing executed through an ice-based delayed mechanism, this character and their companions stepped forward to provide testimony that helped clarify the circumstances at the scene, ultimately serving as a pivotal witness in cracking the case.