カモフラージュフレンド
Meanings
1
friends who pretend to be lovers; pretend lovers
Wasei-eigo term for a pair of friends who act like a couple, often to avoid unwanted attention or to fit in socially.
wasei-eigo (Japanese-coined English), from camouflage friend
At the group date, we pretended to be a couple.
To deal with a stalker, she's playing pretend lovers with a male friend.