a flip-flop

barefoot / (suffixed, referring to a professional) superior to

sandals

(intransitive) to walk

to forget / (auxiliary verb, after the continuative form of a verb) to forget to …

conjunctive form of 歩く (aruku) [godan]

beach

indicates that something undesirable was done or happened

to close / to finish, do something completely / to put away, to put an end to / is, or was (with conjugation), done completely / happens, or happened, unexpectedly / is done with difficulty

traditional folk song of Amami / (more broadly) traditional folk song of Okinawa