Complex sentence: In the beginning he is willing to try to do away with his "otaku" side, however through the series he is able to admit being an "otaku" to Saori and take pride in who he is.
Split into simpler sentences: In the beginning, he is willing to try to do away with his "otaku" side. Throughout the series, he is able to admit being an "otaku" to Saori and take pride in who he is.