haru_no_hito
Artist, an eccentric 2channel user well known to dwellers in touhou-related topics/threads. Formerly tagged as spring ninja.
Illustrator of "WAVEDRIVE," SIV's doujin album circle.
Artist name: はるのひと or 春の人 (Haru no Hito)
Pixiv ID: springninja
Circle: WAVEDRIVE