3girls alternate costume animal ears armpits arms up bare shoulders belt collar black-framed eyewear black hair blonde hair blue archive blue eyes blush breasts camera cleavage collar commentary request crop top dirty dirty face dog ears dog girl dog tags dog tail engine engineering department (blue archive) eyewear on head fishnets glasses gloves goggles goggles on head grease (mechanical) halo hibiki (blue archive) highres holding holding wrench kotori (blue archive) kunikune large breasts long hair looking at viewer mechanic midriff motor vehicle multiple girls open car hood open mouth outdoors purple eyes purple hair security camera semi-rimless eyewear tail teardrop-framed glasses under-rim eyewear utaha (blue archive) white gloves wrench