@DrDuckling—
The story has spend a great deal of time laboring two themes that have already been belabored by many other manga (aspiring mangaka; two passionate, nervous, restrained lovers), and has not added anything new to the treatment of either theme as such.
Meanwhile, the theme of a
superheroine coming into the life of a girl who long needed and wanted a hero has been largely unexplored.
The rôle of Nikaidou-san seems now only to be to
validate Tadokoro-san as the real hero. It seems to me that Tatsubon has fallen for the temptation of making himself a hero in this story by making a proxy for himself a heroine.