Complex sentence: Kikuchi founded the Naoki Prize with the Akutagawa Prize which targets the newcomer of, and the two prizes are two sides of the same coin and inseparable from one another.
Split into simpler sentences: Kikuchi founded the Naoki Prize with the Akutagawa Prize, which targets the newcomer of. The two prizes are viewed as "two sides of the same coin" and inseparable from one another.