He is Misaki's older brother.

Obliged to give up on school in order to provide for his little brother after their parents death, Takahiro is very fond of Misaki and wishes all the best for him. he is the one who is going to request for Usami to tutor Misaki in order for him to attend the college he is aiming at.

Takahiro is married. he is someone described as very dense because along all those years of friendship with Usami he never realized that the writer was madly in love with him. The way Takahiro was looking at Misaki's happiness, Usami was looking at Takahiro's happiness from the shadow. When Takahiro's company transfers him, he is happy to hear his best friend Usami is willing to take care of his little brother Misaki.