What is the fine-grained topic of the following text: Rukchon and Lertsinsongserm both credit the success of Hungry Sumo to their hardworking team, honoring them daily by shutting down the restaurant between 2:30 and 4:30 p.m. to give employees a lunch break and a chance to bond with each other. Only return the topic.
Employee welfare and team bonding at Hungry Sumo restaurant.