Maybe she saw something really fun or got a surprise gift.
Colorful animations and cute characters often make a little girl excited in a cartoon.
An excited little girl in a cartoon might have big bright eyes, a wide smile, and maybe be jumping up and down.
The cartoon girl might be excited because she accomplished a difficult task or is about to have a fun party.
Maybe she got a great gift or had some good news.
Perhaps she received good news, like winning a competition or being invited to an amazing event. That could explain her excitement in the manga.
An excited girl in a cartoon might have wide eyes, a big smile, and maybe be jumping up and down. Her movements would be energetic and her expressions exaggerated.
Perhaps she's excited because she accomplished a goal or had a wonderful experience earlier and is still feeling the joy in bed.
Maybe she just got some great news or won a prize. That could make her so excited and jumping.
It could be that she saw her favorite character or was invited to a fun event. There are many possible reasons for her excitement.
Well, a cartoon girl might be excited when she achieves a goal or meets a favorite character. The transparency could be a result of some sort of power or special effect in the cartoon's world.