Webhost:
Kyobu (Former STAGE48 Admin), Mr. Waffle (STAGE48 Admin)
Kanji lyrics:
AKB48 Official Website
SDN48 Official Website
Evesta
Music@goo
Uta-Net
Kashi GET!!
Utamap
Kashi-Navi
Kashi-Time
Little Oslo
Lovely blogs about AKB48/SKE48/SDN48 lyrics (Recommended by me!):
Songs ♥heart of AKB48♥ - A blog devoted to translating and analyzing AKB48 lyrics.
Ganbariina! - An SDN48 fanblog.