Yes. eSIMAdvice currently lists 10 Ohayu Liechtenstein plans.
The lowest displayed Ohayu Liechtenstein plan is Liechtenstein · 3 GB · 14 days · 5G, at $6.74.
Liechtenstein · 50 GB · 90 days · 5G is the current best-value match by displayed price per GB: $1.01/GB ($50.39 in total).
Yes. Eligible displayed prices already include the active ESIMADVICE coupon where the provider rule applies.