Main male character of the series, an average boy who shares a bond with Urabe Mikoto.
Tsubaki never expected his first girlfriend to be a weird girl name Urabe. Despite being in a relationship, Tsubaki feels that there is still some distance between him and Urabe. While he does want to become closer to Urabe, he knows that going too fast wouldn't benefit either of them if things start going wrong. He currently lives with his father and sister, Youko Tsubaki, as his died a long time ago.