Unofficial observance
White Day
A day for expressing affection with sweets and gifts.
How did it begin?
It spread as Japanese confectioners promoted return gifts for Valentine’s Day. According to a national candy cooperative representative, its White Day candy-giving campaign began in March 1980.
Source · 일본 농축산업진흥기구 — 전국사탕과자공업협동조합 인터뷰 ↗ (new window)
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