I think that Usagi is so bubbly and friendly that it comes off as flirting when it's not. Some people are like that. However, Haruka and sometimes Michiru, are very flirty and intentionally, especially Haruka, at least in the 90's anime.
I think that Usagi is so bubbly and friendly that it comes off as flirting when it's not. Some people are like that. However, Haruka and sometimes Michiru, are very flirty and intentionally, especially Haruka, at least in the 90's anime.