I found out about it after looking up a voice actor who posts all-ages ASMR on YouTube and discovering that they also sold R18 works on DLsite. It was quite a shock at the time, haha.
I quite like it when it's just a temporary event rather than something permanent. It's even better if it doesn't really suit the character and they're embarrassed about it.
Yes, I usually self-insert when I play. When I'm enjoying the romance with a character, I find it hard to get as invested if I'm viewing it from a third-person perspective.