Yes. eSIMAdvice currently lists 9 Breeze Guinea plans.
The cheapest Breeze Guinea plan is Guinea · 1 GB · 7 days · 5G, at $21.49.
Guinea · 10 GB · 30 days · 5G has the lowest price per GB right now: $11.50/GB ($114.99 in total).
No coupon is applied to these prices right now.