ehhh not really. Togo and Yuuna are very heavily implied, especially from what I hear in the VN. I still need to read the Light Novel 'Washio Sumi is a Hero.' I hear that Sonoko hardcore ships them in the VN
@ari-chan
As you said, subtext, KyoAni lives on subtext. It knows that gay sells so it creates bunch of subtext, earns money and then throws it out of the window without ever crossing the finish line.