Talk:死生活 (Shiseikatsu)/@comment-25340994-20190626010424/@comment-26239285-20190626011652

疎 by itself seems to be the word so "sparse, estranged". uto occurs in words 疎い utoi and 疎む utomu which isn't the case here. That's according to weblio and jisho.org. Plus it sounds like she's singing "so".