It is a hand-drawn stained glass-like frame. It's adorable that the lines are rough or inaccurate... 手描きのステンドグラスっぽい枠です。線が荒かったり不正確なのはご愛嬌…。
If you draw a character inside, it will look like that.
中にキャラを描くとそれっぽくなります。
It is a hand-drawn stained glass-like frame. It's adorable that the lines are rough or inaccurate... 手描きのステンドグラスっぽい枠です。線が荒かったり不正確なのはご愛嬌…。