What makes Koi by Gen Hoshino notable?

'Koi' became a cultural phenomenon in Japan, particularly due to its title track becoming a viral hit and part of the popular drama 'Nigeru wa Haji da ga Yaku ni Tatsu'. The album's success was reflected in its chart performance, where it reached high positions on the Oricon charts, further establishing Hoshino's presence in the music industry. When 'Koi' was released in 2016, Gen Hoshino was experiencing a significant rise in popularity following his breakthrough album 'Yellow Dancer' in 2015. This album solidified his status as a leading artist in the J-pop scene, showcasing his unique ability to blend various musical styles.