Don't forget that the reason why they even actually got to bond with Yu at the same time was as the doctor mentioned along the lines of "the mixing of mucus" between Ginga and Kouetsu. It obv meant they were involved with each other sexually.
I was expecting this but I got caught off-guard with how deep the reasoning actually turned out to be for Ginga's side.
Don't forget that the reason why they even actually got to bond with Yu at the same time was as the doctor mentioned along the lines of "the mixing of mucus" between Ginga and Kouetsu. It obv meant they were involved with each other sexually.
I was expecting this but I got caught off-guard with how deep the reasoning actually turned out to be for Ginga's side.