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!
just pay me back by working harder.
فعوّضني بمُضاعفة جهودك
prefiro que pague trabalhando mais.