Box and Helen, a type of storefront brothel, is a declining presence in Tokyo. It's a place where men must carefully read the emotional shifts of the sex worker while calmly negotiating sexual acts. Compared to delivery services, the negotiation happens in a more complete away environment, requiring stricter conditions for sex. However, the skill involved in negotiating under such circumstances heightens expectations for the woman's service. The appeal lies in how much service can be obtained through their delicate responses, and the process itself is captivating.