His music is also frequently played on YouTube the videos have garnered views well above 10 million. Watch Demon Slayer: Kimetsu no Yaiba, Attack on Titan Series, JOJOs Bizarre Adventure Series, etc. Luv Letter (music by TSUKINOSORA) of the album Mirror was used in one of figure skater Daisuke Takahashi's routines at the 2010 World Figure Skating Championships. A kaleidoscope is a tool one uses to see shifting colors. A mirror reflects images, and usually, images of yourself. A diorama is a three-dimensional model used to often showcase a landscape. All three of these titles have something to do with vision. DJ Okawari is known for his unique approach to music, blending piano jazz and hip-hop influences to create a mellow yet soothing vibe. DJ Okawari has three major concept albums worth discussing, Diorama, Mirror, and Kaleidoscope.