![Takanori Oka](https://cdn.noitatnemucod.net/thumbnail/400x400/100/ac6f7c49e069b7c3b6946a053cd61a97.jpg)
Takanori Oka
岡孝典
Doi's classmate and his friend, also familiar with Makoto and Shuichi.
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Wandering Son
Supporting (Role) TV
![Tamura, Mutsumi](https://cdn.noitatnemucod.net/thumbnail/100x100/100/6b1cd9cdc20fdcea2513ea07ccf1fd9b.jpg)