URLs

• https://www.pixiv.net/users/143173
• https://www.pixiv.net/stacc/elku
• https://twitter.com/maruku80033370
• https://twitter.com/intent/user?user_id=736934289883856896
• https://sketch.pixiv.net/@elku
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=1991
• http://www007.upp.so-net.ne.jp/maruku3/