====== Boy's Heart ====== "Boy's Heart" is the first ending theme song to the 2003 Astro Boy series. The song is performed by J-Pop music artist, Fujii Fumiya. ===== Japanese Rōmaji Lyrics ===== //Title: **Boy's Heart**//\\ //Artist: **Fujii Fumiya** (藤井 フミヤ)//\\ Naze naze\\ Kokoro ga itamu to namida ni naru\\ Naze naze\\ Namida ga ochiru to hitori ni naru\\ Chīsana hiza kakae\\ Tōku o mata miageru\\ Hiroi hiroi kono sora yori\\ Motto hiroi hazu da\\ Takai takai ano kumo yori\\ Motto takai hazu da\\ Kimi no kokoro mo\\ Naze naze\\ Kokoro o hiraku to egao ni naru\\ Naze naze\\ Egao o miteru to yūki ni naru\\ Ōkina yume kakae\\ Tōku o mata miageru\\ Hiroi hiroi kono sora yori\\ Motto hiroi hazu da\\ Takai takai ano kumo yori\\ Motto takai hazu da\\ Tōi tōi ano hoshi yori\\ Motto tōi hazu da\\ Yukō yukō ryōte hiroge\\ Kitto yukeru hazu da\\ Kimi no kokoro mo\\