Hand Shakers - Season 1 Episode 3 Blade and Dagger
Overview: Tazuna meets Chizuru and Hayate, the pair who's car he fixed on the day he met Koyori. They're workers for a major food corporation in the area, and they offer to treat him and Koyori to dinner as a thank you. But after the meal, they reveal that they're actually Hand Shakers themselves!