bai xin, luo xiaohei, mon3tr (arknights), arknights, luo xiaohei zhanji, commentary, highres, symbol-only commentary, 1boy, 1girl, ;), ahoge, animal ears, bare shoulders, black hair, blush, closed mouth, green eyes, green hair, halftone, heads together, huge ahoge, jitome, long hair, multicolored hair, off shoulder, one eye closed, partially colored, short hair, sleeves past fingers, sleeves past wrists, smile