A solo Japanese wedding gift should be simple: put money in, identify the giver, and deliver congratulations. Then come two title strips, an inner envelope, formal numerals, bill orientation, folding rules, and taboo words. A cash gift has become a ceremonial tutorial level.
1. Solo giver: skip joint-name rules
The full name below the title is the giver’s. With one giver, rules for multiple names, “and X others,” and attached lists do not apply. Two separate weddings under identical conditions can use nearly identical envelopes because the couple’s addressee names are not normally written on the front.
2. “寿” and “御祝” are alternatives
Choose one strip; do not equip both. “寿” or “御結婚御祝” is standard for a wedding-day gift. “御祝” is general-purpose. No secret slot exists for the spare.
3. Inner envelope
Amount on front; address and name on back. For ¥30,000: 金参萬円. “也” is not generally required today. Formal numerals historically helped prevent alteration. Split a long address across lines. Legibility beats calligraphy.
4. Even new bills have deployment formation
Wedding gifts conventionally use crisp new bills, aligned so the portrait side appears correctly when opened. You are no longer giving cash; you are deploying it in formation.
5. Handwriting boss fight
If everyday handwriting is fast but careful handwriting is good, the hand enters calligraphy mode while the brain screams “FASTER.” Allocate quality: outer name = national final; 金参萬円 = regional final; address = government form.
6. Taboo-word DLC
Formal Japanese wedding messages traditionally avoid words suggesting separation or endings, plus some repeated expressions associated with repetition/remarriage. This does not ban saying at home, “I’m finishing this gift-envelope task.”
7. Final state
After new bills, strips, formal numerals, address, and orientation, etiquette gives way to one internal message:
“TAKE THE FULL FORCE OF MY ¥30,000 CONGRATULATIONS!”
Outside: immaculate “寿.” Inside: a ¥30,000 celebration cannon. Etiquette should make a gift clear and considerate, not turn congratulations into an endurance test.

