URLs

• https://www.pixiv.net/users/5378
• https://www.pixiv.net/stacc/yakusa
• https://twitter.com/tusakabe
• https://twitter.com/intent/user?user_id=21819300
• https://nijie.info/members.php?id=3012
• https://pawoo.net/@yakusano
• https://pawoo.net/web/accounts/178061
• https://sketch.pixiv.net/@yakusa
• https://www.tinami.com/creator/profile/595
• http://www.amazon.co.jp/日下部-ツカサ/e/B004LVTNSY/
• http://c10012518.circle.ms/oc/CircleProfile.aspx
• http://c10044675.circle.ms/oc/CircleProfile.aspx
• https://www5d.biglobe.ne.jp/~tukasa/
• http://www.fg-site.net/members/1171
• http://www.geocities.jp/srw_ec/
• http://www.geocities.jp/srw_ec/moon.html
• http://www.geocities.jp/srw_ec/top.html
• http://geocities.yahoo.co.jp/dr/view?member=srw_ec
• http://p.twipple.jp/user/tusakabe
• http://twitpic.com/photos/tusakabe