Z , ▁an ▁adaptation ▁of ▁the ▁original ▁light ▁novel ▁series . ▁The ▁singer ▁promoted ▁her ▁single ▁by ▁appearing ▁on ▁several ▁variety ▁shows ▁like ▁Fu ji ▁TV ' s ▁Mon om ane ▁O u za ▁K ette isen '. ▁▁▁ 2 0 1 7 – 2 0 1 8 : ▁Vo ice ▁actor , ▁I go ▁F ocus , ▁Radio ▁host ▁and ▁Thank ▁you ▁for ▁the ▁Music ▁ ▁In ▁ 2 0 1 7 , ▁D iana ▁branch ed ▁out ▁in ▁her ▁engag ements , ▁appearing ▁in ▁many ▁events ▁in ▁Japan , ▁like ▁the ▁K ID ST ONE ▁Summer ▁Pres entation ▁Program , ▁and ▁states ide , ▁like ▁Oh ay o con ▁and ▁Anim az ement , ▁as ▁well ▁as ▁on ▁TV ▁and ▁in ▁print , ▁also ▁taking ▁on ▁voice ▁acting ▁and ▁narr ation ▁and ▁becoming ▁a ▁TV ▁host . ▁ ▁In ▁February , ▁she ▁first ▁provided ▁her ▁voice ▁for ▁English - spe aking ▁role ▁of ▁J ou le / L umen , ▁the ▁hero ine ▁of ▁Azure ▁St ri ker ▁Gun vol t , ▁in ▁the ▁English ▁dub ▁of ▁the ▁original ▁video ▁an ime ▁adaptation ▁of ▁the ▁game , ▁released ▁world wide ▁on ▁the ▁N intendo ▁e Sh op . ▁ ▁From ▁April ▁until ▁March ▁ 2 0 1 8 , ▁she ▁was ▁the ▁host ▁for ▁the ▁ 2 0 1 7 ▁season ▁of ▁the ▁long - running ▁series ▁''' I go ▁F ocus ', ▁an ▁establishment ▁in ▁the ▁Japanese ▁world ▁of ▁Go , ▁expl oring ▁strateg ies ▁used ▁in ▁the ▁game ▁and