Rule 34 Dev - blue_body brown_body brown_hair chibi clothing eyes_closed eyewear glasses group hair open_mouth shirt simple_background smile topwear walking hikari_gamba gamba_no_bouken gamba_no_bouken_(series) bobo_(gamba_no_bouken) chuuta gakusha ganba ikasama shijin yoisho mammal mouse murid murine rodent 2024 hi_res|22133268535