This chapter's original title uses an obscure word that means "to sleep on a boat while on a sea voyage" or simply "sea voyage" or just "voyage". However, there are no boats or sea trips in this chapter. But, we know Shino is on a trip to Tokyo for the Intermiddle and she made a stop at Yokohama, a famous port city, to visit her friends. Most likely, Ritz wanted to use something a bit less common and a bit more poetic than just "trip" for the title.
Notice that next chapter will come out a few days earlier than usual (on the 22 instead of the 25). Probably something to do with the 23 and 24 being holidays in Japan.
