Artist.
Japanese name: 永瀬 悠人, 永瀬 ハルヒト or ナガセハルヒト (Nagase Haruhirto)
The other name: N-H (えぬえいち)
Site name: VivacE
Old site names: Vivace or 無題標準ページ
https://www.pixiv.net/users/9635
https://www.pixiv.net/stacc/haruhito_nagase
https://twitter.com/nharuhito
https://twitter.com/intent/user?user_id=208275400
https://fantia.jp/fanclubs/2218
https://seiga.nicovideo.jp/user/illust/22761780
https://www.nicovideo.jp/user/22761780
https://pawoo.net/@haruhito_nagase
https://pawoo.net/web/accounts/101030
https://haruhito-nagase.fanbox.cc
https://sketch.pixiv.net/@haruhito_nagase
https://www.patreon.com/nharuhito
http://gray.sakura.ne.jp
https://enty.jp/nharuhito
http://v-nag.hp.infoseek.co.jp
http://twitpic.com/photos/nharuhito
