▁tra um atic ▁experiences ▁became ▁central ▁to ▁his ▁work . ▁ ▁N ats u ▁no ▁H ana ▁( Sum mer ▁Flow ers ), ▁his ▁best - known ▁work , ▁for ▁which ▁he ▁was ▁awarded ▁the ▁first ▁Tak itar o ▁Min ak ami ▁Prize , ▁was ▁completed ▁by ▁August ▁ 1 9 4 6 ▁but ▁not ▁published ▁until ▁June ▁ 1 9 4 7 . ▁Two ▁further ▁sections ▁of ▁the ▁work ▁were ▁later ▁published : ▁“ From ▁the ▁Ru ins ” ▁( “ Ha ik you ▁k ara ” ) ▁in ▁ 1 9 4 7 , ▁and ▁“ P rel ude ▁to ▁An nih ilation ” ▁( “ K a im ets u ▁no ▁jou ky oku ” ) ▁in ▁ 1 9 4 9 . ▁In ▁works ▁such ▁as ▁Summer ▁Flow ers ▁and ▁Ch ink on ka ▁( Re qu iem , ▁ 1 9 4 9 ), ▁H ara ▁describes ▁and ▁rel ates ▁his ▁ter r ifying ▁experience ▁of ▁the ▁atomic ▁bomb ing . ▁He ▁also ▁produced ▁many ▁po ems ▁on ▁the ▁same ▁theme , ▁for ▁which ▁he ▁is ▁perhaps ▁better ▁known ▁in ▁Japan . ▁ ▁H ara ' s ▁final ▁work , ▁Sh ing an ▁no ▁k uni ▁ ▁( The ▁Land ▁of ▁the ▁Heart ' s ▁Des ire , ▁ 1 9 5 1 ) ▁could ▁be ▁read ▁as ▁being ▁his ▁suic ide ▁note . ▁He ▁committed ▁suic ide ▁in ▁Tokyo ▁on ▁March ▁ 1 3 , ▁ 1 9 5 1 , ▁by ▁lying ▁down ▁on ▁the ▁tracks