Listen to Tengen Toppa Gurren Lagann Opening Full - Sorairo Days online. Tengen Toppa Gurren Lagann Opening Full - Sorairo Days is an English language song and is sung by Rap AR Anime. Tengen Toppa Gurren Lagann Opening Full - Sorairo Days, from the album Anime, was released in the year 2020. The duration of the song is 5:02. Download English songs online from JioSaavn.