reverse Valentine's chocolate; chocolate given by a boy to a girl on Valentine's Day
Refers to the practice of a boy giving chocolate to a girl on Valentine's Day, which is the reverse of the typical Japanese custom where girls give chocolate to boys.
This year I got reverse Valentine's chocolate from my boyfriend.
逆チョコをあげる男性が増えているらしい。
It seems more men are giving reverse Valentine's chocolate.
Compound of 逆 (reverse) and チョコ (chocolate), referring to the reversal of the typical Japanese Valentine's Day custom.