Seriously, Kakao is very, very nasty company that should be destroyed on this planet. If you live in Korea, you are basically forced to used their product and they suck, riddled with Ads because they're de facto standard for chat, taxi, etc.
I hate having to use their product.
They're notorious for overworking their artists. and authors. One of them is Solo Levelling artist died from brain hemorrhage in 2022 and he was working under Kakao.