Short for へそピアス (heso piasu, “navel piercing”).

(idiomatic) to get angry, to be irritated

stairs used in emergencies

state of emergency (unusually difficult or dangerous situation)

tear up, tear to pieces / tear off, pluck

bite into/off

to be evident / to be obvious / to understand completely

to overcome / to get through

to hang up, to terminate a phonecall

(idiomatic) to cut off a relationship, to break up with someone, to be through with someone