Eren the Southpaw

No One Has to Know Who Created It (1x6)

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Yusuke Kamiya's boss, Takashi Sawamura, used to be so passionate about his work that he was known as "Sadomura", a man who wouldn't allow compromise. In the meantime, Eren Yamagishi had an argument with Sayuri Kato over the sudden appearance of Akari Kishi, and left her studio. Eren was walking around town aimlessly when she stopped by a bookstore and picked up an advertisement magazine. In it was the logo of a SUNYTRY product that Koichi had worked on.