Close friend of Manaka, whose sole obsession in life is taking photos of pretty girls for his website, "Melon 100%" To this end, he initiated the re-establishment of the Film Studies Club in order to make use of school funding and facilities to expand his website. Despite his perversions, Sotomura is the number-one student in school, with grades even better than those of Tojo. He also becomes the sounding board for Manaka's various relationship problems, offering surprisingly good advice. After graduation, he is accepted into Tokyo University and later starts his own production company.