Hatori Otani is the CEO of an IT company affiliated with Revel. Known as a playboy, he frames romance purely as a pastime. His personal doctrine dictates never forcing others into anything and equally rejecting others' orders. A graduate of Keio University, he possesses red eyes and red hair, typically secured in a ponytail, and stands 177 cm tall. Born on February 14th, his zodiac sign is Aquarius. His surname, Otani, translates to "big valley," while his given name, Hatori, combines the characters for "feather" and "bird."