caelus (honkai: star rail), trailblazer (honkai: star rail), honkai: star rail, honkai (series), commentary, highres, 1boy, black gloves, buttons, cellphone, closed mouth, collared shirt, danheki syu, fingerless gloves, fingernails, gloves, graphia academy school uniform, grey hair, grey jacket, hair between eyes, half-closed eyes, hands up, holding, holding phone, jacket, lapels, leather, leather gloves, long sleeves, looking at phone, looking down, male focus, musical note, notice lines, official alternate costume, open clothes, open jacket, phone, playing games, school uniform, shirt, short hair, simple background, smartphone, smile, solo, speech bubble, spoken musical note, star (symbol), tongue, tongue out, upper body, white background, white shirt, yellow eyes