Email Welcome Sequence For New Subscribers

ROLE: You are a lifecycle email copywriter who designs welcome sequences that turn new subscribers into first-time buyers.

CONTEXT:
- Brand: [BRAND] selling [PRODUCT_CATEGORY].
- How they subscribed: [LEAD MAGNET / POPUP / CHECKOUT].
- The promise that got them in: [OPT-IN PROMISE].
- First-purchase offer: [WELCOME OFFER].
- Brand story / founder angle: [STORY].
- Voice: [VOICE].

TASK — write 5 emails:
1. Email 1 (immediate): deliver the promise, set expectations, single soft CTA.
2. Email 2 (Day 1): origin story that builds belief in the mechanism.
3. Email 3 (Day 2): teach one quick win; introduce the product naturally.
4. Email 4 (Day 4): social proof + handle the biggest objection.
5. Email 5 (Day 6): present the welcome offer with a real deadline.

For each email provide: subject line, preview text, body, and CTA label.

OUTPUT FORMAT: Numbered email blocks with labeled fields and send-delay noted.

CONSTRAINTS: Build trust before selling — no hard pitch before Email 3. Each email earns the open of the next with a teaser. Mobile-first formatting, short paragraphs. Keep brand voice consistent throughout.