ILLIT members Yoona and Minju will sing the OST for the drama. They perform the OST "The Moment I First Saw You, I Thought of You All Day (Love Smile)" for the KBS 2TV drama "Last Summer." The song will be released on various online music platforms at 6 PM on November 15.

"The Moment I First Saw You, I Thought of You All Day (Love Smile)" is a medium-tempo pop song that captures the fresh feelings of falling in love at first sight and the earnest desire to confess. Yoona and Minju express the emotions of the protagonist in love with their refreshing yet sweet vocals. This is their first time releasing a song as a duo.

The drama "Last Summer," featuring Yoona and Minju, premiered on November 1. The romance drama tells the story of childhood friends Baek Doha (Lee Jaeuk) and Song Hakyeong (Choi Seongeun) confronting the truth of their first love hidden inside Pandora's box.

ILLIT, to which Yoona and Minju belong, is emerging as a rising star in the OST scene. With their clear tones and trendy charm, they are receiving love calls domestically and internationally as theme song singers for dramas, movies, animations, and variety shows.

ILLIT is also making a comeback with their first single album "NOT CUTE ANYMORE," which carries a bold declaration that they are no longer just cute. The music video moving poster for the title track will be released on November 17. Two official teasers will follow on November 21 and 23. The highly anticipated new album and music video will be unveiled at 6 PM on November 24.

ILLIT has recently been gaining attention with rapid growth. They are expanding their fan base by mastering various music genres. The OST featuring Yoona and Minju is expected to elevate the drama's emotional atmosphere even further.

The release of the OST for "Last Summer" is generating great anticipation among fans. The song performed by Yoona and Minju fits well with the drama's theme, and their harmonious voices are expected to deepen the emotional line of the drama.

Interest in ILLIT's future activities is also increasing. They plan to communicate with fans through various projects going forward. ILLIT's musical journey will continue to attract much attention.

"The Moment I First Saw You, I Thought of You All Day (Love Smile)" sung by Yoona and Minju is expected to receive much love alongside the drama's popularity. The song will blend with key scenes of the drama, leaving a strong impression on viewers.

ILLIT will continue to solidify their unique style through diverse musical activities. Their musical growth will accelerate through communication with fans. Expectations for ILLIT's future endeavors will continue to grow.