Flat chested Armor and Clothing for Female Dragonborns.

[ChiefSwiggum]

I just want to be a slim dragonborn that's all I want man. The clothes have tits but the female dragonborn doesn't.

[7531Leonidas]

Practical Female Armors ( https://www.nexusmods.com/skyrimspecialedition/mods/2628 ) - one of the pinned comments contains an introductory description of how to change armors to mimic the male armors.

Practical Female Blades Armor ( https://www.nexusmods.com/skyrimspecialedition/mods/34177 ), and bodyslides ( https://www.nexusmods.com/skyrimspecialedition/mods/58565 )

Practical Female Golden Saint Armor Replacers ( https://www.nexusmods.com/skyrimspecialedition/mods/98389 )

Practical Female Hide Armors ( https://www.nexusmods.com/skyrimspecialedition/mods/38823 )

BTW, you should probably ask again on the Skyrim Game Community forum, go to Game Communities at the top of the page, scroll down to select Skyrim, then Skyrim SE.  Join to post.