safebooruhttps://safebooru.org/index.php?page=atom&tags=2boys arm blade blood blood on face clenched hands emphasis lines ginga no kou greyscale grin highres kabuto kouji male focus mazinger (series) mazinger zero (mecha) mecha monochrome multiple boys open mouth robot shin mazinger zero smile super robot tsurugi tetsuya weapon2024-06-19T23:36:49Zsafebooru