The song "こころをこめて" (Kokoro wo Komete) by 手嶌葵 (Aoi Teshima) conveys the message of cherishing the small moments of happiness in life and expressing love to those who are important to us. The lyrics talk about how people often let go of the small, fleeting moments of happiness, and the regret and confusion that comes with it. The singer expresses a desire to live each day with heartfelt emotion and to convey their love to someone special. The song also speaks to the importance of not closing oneself off and letting the flame of life in our hearts extinguish. It encourages embracing love and breathing it deeply into our hearts, so that we can shine light on the future with it. The singer reflects on the profound happiness that can be found in the small things and expresses gratitude for the big moments of joy that have been grasped by small hands. Overall, the song is a gentle reminder to appreciate the simple, everyday joys and to express love and gratitude to those we care about.