Vocabulary consisting only from characters you are able to read
いつの間にか
itsunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
生かす
ikasu
(1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans