Herearesomepopulargentleandetherealusernamesfor2021:1.MoonlightWhisper2.StardustDreamer3.SereneSpirit4.AngelicWhisper5.EnchantedSoul6.TranquilAura7.CelestialGrace8.MysticalGentle9.DivineElegance10.Hea
Here are some popular gentle and ethereal usernames for 2021:
1. MoonlightWhisper
2. StardustDreamer
3. SereneSpirit
4. AngelicWhisper
5. EnchantedSoul
6. TranquilAura
7. CelestialGrace
8. MysticalGentle
9. DivineElegance
10. HeavenlyDove
请注意，这些用户名使用了一些温柔且神秘的英文词汇，以传达出柔和和仙气的感觉。