What makes Koisuru Hitomi wa Utsukushii/Yasashii Kimochi de by Superfly notable?

This album features the hit single '恋する瞳は美しい,' which topped several charts and solidified Superfly's status as a leading act in the J-pop genre. It also showcased her ability to blend traditional Japanese influences with modern pop elements, influencing subsequent artists in the genre. Release in 2009, 'Koisuru Hitomi wa Utsukushii' is Superfly's third studio album, following the breakthrough success of their previous album 'Box Emotions.' At this point in her career, vocalist Ai Ohtsuka was solidifying her presence in the J-pop scene with a distinct sound characterized by powerful vocals and emotive songwriting.