Taiyou to Shinzou / Hatsukoi

 is the second single by Idol Renaissance.

It was released on November 25, 2014.

Tracklist

 * 1) Taiyou to Shinzou (太陽と心臓)
 * 2) Hatsukoi (初恋; First Love)

Featured Members

 * Miyamoto Marin
 * Momooka Koyoi
 * Ishino Riko
 * Minamibata Maina
 * Hashimoto Kana
 * Higa Nanako
 * Arai Noa