next week

schedule / plan

be planned / expect

breaking-open of a seal / unsealed mail

to break open a seal

Kaifeng (a city in Henan, China)

the week after next

(chiefly women's speech) first person singular pronoun: I, me

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country