キービジュアルの衣装好き
ソワカソワカ

I like the key visual costume
Sowaka, sowaka
<tn>It refers to the costume for one of Wadarco's art exhibitions in 2023 (post #7380375). "Sowaka" is a Sanskrit word of blessing often spoken at the end of Buddhist sutras that can mean "happiness", "wellbeing" or roughly "so be it".