清水翔太との楽曲コラボレーションの座を勝ち取り「Lazy feat. ASOBOiSM, Kouichi Arakawa」がアルバム「HOPE」に収録される。 さらに、世界180国で放送され、優れた番組の功績に与えられる賞であるエミー賞を4度受賞した人気音楽オーディション番組「The Voice」日本版への出演で話題を呼ぶ。 また、5人姉弟と父がそれぞれにメインボーカルを務める事から「現代のThe Jackson 5」と称される「あらかわ家」として活動。
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He won the position of song collaborator with Shota Shimizu and “Lazy feat. ASOBOiSM, Kouichi Arakawa” was included in the album “HOPE”. In addition, he made a splash with his appearance on the Japanese version of “The Voice,” a popular music audition program that has been broadcast in 180 countries around the world and has won four Emmy Awards, an award given for outstanding program achievement. He also performs as “Arakawaya” which is known as “The Jackson 5 of our time” because each of his five siblings and his father are the main vocalists of the group.