A Ryokan is different from hotels you can stay anywhere in the world. It is a traditional Japanese-style inn. Dinner and breakfast are often included in the price of the room, and a Nakai-san makes tea and lays out the futon.
When they entered the room, a Nakai-san made tea for them.

Tran found various amenities. Bath towels, face towels, toothbrushes, sets of yukata instead of pyjamas, tanzens which are worn over the yukata when it’s cold, a hair dryer and shower caps are placed in accordance with the number of persons staying in their room.

Bengal is from India. He learns English, and so can speak English. But he does not speak a Japanese word.
In the Ryokans and hotels, which are registered by the Minister of Land, facilities are more accessible for foreign visitors. Restaurants, toilets and emergency exits are shown in both English and with picture signs.

Bengal could find a bathroom for himself.

Ryokans and hotels offer various facilities and services. They care about stairs and bumps by placing slopes and handrails. An adjustment for the amount of meals is available. These are making a stay more and more comfortable for everyone: elderly persons, wheelchair users and blind or partially sighted persons to use safely.