Egao no Kimi wa Taiyou sa / Kimi no Kawari wa Iyashinai / What is LOVE? (笑顔の君は太陽さ / 君の代わりは居やしない / What is LOVE?; You with a Smile Are My Sun / No One Can Take Your Place / What is LOVE?), the official English title being You bright smile is like the sunshine / No One Can Replace You / What is LOVE?, is Morning Musume '14's 55th single and their first single with their new name. It was released on January 29, 2014 in 6 editions: 2 regular and 4 limited editions. The first press for both regular editions includes a trading cards of 11 kinds depending on the jackets (22 in total). The first press for all editions came with a 2-month calendar poster of 6 kinds.