Low tier
>BaeAppears in a single emote as a penis joke
>MoriOne off l2d attachment for a poetry stream
>KroniiDepicted with a beret in the Promise 2023 Christmas acrylic stand, also appears with a beret in the Mind Craft music video
>FaunaDepicted with a beret in the Promise 2023 Christmas acrylic stand
Shiori
Has a l2d attachment like Mori however unlike Mori who only used hers once Shiori has used it many times, she also regularly uses the a grey version of the same beret
>BijouAppears with a beret in the Mind Craft music video
High tier
>*new* RoaraShe appears with a beret in her default outfit, she also appears with a beret in the full branch "Odyssey" MV
>GuraAppears with a unique beret in a still image used in the Sorairo Days cover with Matsuri, also appears with a unique beret on a coaster for the "Gurarium" Sendai Aquarium event, appears with the "Gurarium beret" in the 粛聖!! ロリ神レクイエム cover music video, appears with a unique blue beret in the 2024 birthday merch illustration, despite not having a live2d outfit with a beret she is high tier due to having 3 different unique berets
>AmeliaAppears with a beret in the Dreamin' Chuchu music video, has also used this outfit in other streams (with the beret included), also appears with a beret during the Mori Calliope "Don't Fear The Reaper" animation, also appears with a beret in the "Dawn of Time: The Weavers" voice drama
>MumeiShe wears a beret in her kinomo outfit, also appears with a beret in the Mind Craft music video
>IRySShe wears a beret in her casual outfit and is also depicted with a unique beret in the 2023 Promise Christmas merch, also appears with a beret in the Mind Craft music video
God tier
>KiaraBig orange beret on her default outfit, if you've seen official art of Kiara there is a 99% chance you have seen her bright orange beret, also appears with a unique beret in the Snow Halation, also appears with a unique beret in the Aikotoba III cover MV, also depicted with a unique beret in a swimsuit drawing done by Ina, also used a beret L2D attachment during a "BLOCKBUSTER INC." stream. Also appears with a unique green beret during her 2024 christmas stream not only is she one of only two members with a beret on her default outfit, she is also the member with the most unique berets, making her the undisputed beret queen.
>InaBeret appears on her casual outfit, also appears with a unique beret in a promotional image for a ANIPLUS cafe in Singapore, also appears with a unique beret in Mori's youtube VN, also appears with a unique beret in the aviot x myth promotional art
Sources
Bae -
https://twitter.com/chrone_co/status/1605096568499032066/Mori -
https://youtu.be/pgIYpztWp60Gura -
https://youtu.be/2ys9IS5r9yAhttps://hololive.hololivepro.com/en/news/20240123-01-60/https://youtu.be/OGj0xMWReQM?t=229https://shop.geekjack.net/collections/gawr-gura/products/gawr-gura-birthday-celebration-2024-merch-complete-setKronii -
https://youtu.be/4WaSJV_D0Ac?t=3144https://youtu.be/OQuGEpICY2oFauna -
https://youtu.be/4WaSJV_D0Ac?t=3144Shiori -
https://youtu.be/_BVCHXW9SVghttps://youtu.be/YpWcAuOkDNU?t=2168Amelia -
https://youtu.be/vjBZzYN3aAshttps://youtu.be/rCazi8Y4blkhttps://youtu.be/ZYg0VmLfvBohttps://youtu.be/IvYfGPTIKtgMumei -
https://youtu.be/u5AsGbpU73Mhttps://youtu.be/OQuGEpICY2oIRyS -
https://youtu.be/4WaSJV_D0Ac?t=3144https://youtu.be/xVKVYIjmXCUhttps://youtu.be/OQuGEpICY2oKiara -
https://youtu.be/uObh73QZUvghttps://youtu.be/FPzV-3vLRd8https://youtu.be/C5IIoZsci8Yhttps://youtu.be/L7VH_OkyGd8https://youtu.be/Y5cnpZp-TogRaora -
https://youtu.be/JW7j8tKMOfYhttps://youtu.be/0wO8d70KSXwIna -
https://en.aviot.jp/product/te-v1r-hen/ 
