"Hey, look, buddy, I'm a game dev'. That means I solve problems.
Not problems like: "What is beauty?", because as your auntie told you countless times, vidyas aren't a true form of art. I solve practical problems.
For instance: how am I gonna convince some neckbeard virgin loser to spend an'ther $16 on virtually the exact same game?
The answer? Draw less clothes.
And if that don't work? Draw no cloth at all.
[muffled Kyaaaaa in the distance]
Like this, visual novel franchised Sakura Gluten-Free Norwegian Bakery, designed by me, coded by me, and you best hope… not noticed by ResetEra."

Why do game devs have to explain why they wanna make their female characters show their skin?

I don't really recall anybody needing to justify shirtless men, even if they really could use a bulletproof vest or something. I just find it strange is all…