safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl abstract black hair black serafuku blunt bangs blunt ends bob cut commentary double exposure expressionless eye chart floating hair hanareau zero (vocaloid) hands up impossible cube inverted colors landolt c limited palette looking at viewer machigami yoh neckerchief no mouth no pupils occluder one eye covered optical illusion penrose stairs rabbit-duck illusion red eyes red neckerchief school uniform serafuku short hair solo straight-on upper body2024-06-16T05:10:53Zsafebooru