Yes. eSIMAdvice currently lists 9 Ohayu Philippines plans.
The lowest displayed Ohayu Philippines plan is Philippines · 2 GB · 7 days · 5G, at $5.39.
Philippines · 50 GB · 180 days · 5G is the current best-value match by displayed price per GB: $1.12/GB ($56.24 in total).
Yes. Eligible displayed prices already include the active ESIMADVICE coupon where the provider rule applies.