Artist, shota mangaka.

Japanese name: 鷹勢 優 (たかせ ゆう, Takase Yuu)
Old names: ユウ少佐 (Yuu Shousa) or ユウ中佐 (Yuu Chuusa)

• Pixvi account: http://www.pixiv.net/member.php?id=5408
• Nijie account: http://nijie.info/members.php?id=1384
• Tinami account: http://www.tinami.com/creator/profile/3288
• Amazon.co.jp: http://www.amazon.co.jp/s/?search-alias=books-jp&field-author=鷹勢+優

• Privatter account: http://privatter.net/u/Takase_Yu
• Twitter account: http://twitter.com/Takase_Yu
• Ask.fm account: http://ask.fm/Takase_Yu
• Twipple photo images: http://p.twipple.jp/user/Takase_Yu
• Yfrog images (dead): http://yfrog.com/user/Takase_Yu/photos
• Twitpic account: http://twitpic.com/photos/Takase_Yu

• Shota-themed accounts:
• Site name: Side-T
• Home page: http://rakkyou.sakura.ne.jp/sideT/
• Pixiv account: http://www.pixiv.net/member.php?id=10200427
• Horne account: http://horne.red/members.php?id=246
• Old home page (dead): http://www.tomato.sakura.ne.jp/~rakkyou/sideT/

• Joint circle name: スタジオらっきょう (Studio Rakkyou)
• Circle partner: Ashishun
• Site name: らっきょう堂ぶろぐ
• Old site name: らっきょう堂
• Blog (shared with Ashishun): http://rakkyou.sblo.jp/
• Takase Yuu's art: http://rakkyou.sblo.jp/category/382731-1.html
• Circle.ms: http://portal.circle.ms/Circle/Index/10019844
• Old website (dead, shared with Ashishun): http://tomato.sakura.ne.jp/~rakkyou/r-doh/index2.html