Tengen Toppa Gurren Lagann: Rasen Shounentan
天元突破グレンラガン 螺旋少年譚
A re-imagining of Gurren Lagann. In this alternate version of TTGL, Simon lives in Tepelen city and dreams of becoming a Gunmen pilot after having seen the stars through a crack in the sky. One day, he comes across a strange small Gunmen. The hatch opens, and out comes a beautiful girl named Nia.
(Source : Mangafox)