Friends who are deeply loyal to each other.
お互いに深く忠実な友達。 (Otagai ni fukaku chūjitsu na tomodachi.)
"Since childhood, they’ve been sworn friends."
"子供の頃から、彼らはお互いに忠実な友達だった。" (Kodomo no koro kara, karera wa sworn friends datta.)
to argue or disagree with someone
to develop or become successful over time
tired or annoyed with something
to surprise or shock someone suddenly
to choose a longer or more beautiful way to travel
something very beautiful or skillfully made