uki ' s ▁mother ▁calls ▁Mas ato , ▁and ▁tells ▁him ▁that ▁Y uki ▁is ▁a ▁boy ▁shortly ▁after . ▁The ▁story ▁initially ▁revol ves ▁around ▁Mas ato ' s ▁relationship ▁with ▁Y uki ▁and ▁his ▁slowly ▁dis integr ating ▁rel uct ance ▁to ▁develop ▁rom antic ▁feelings ▁for ▁her . ▁It ▁later ▁began ▁to ▁focus ▁heavily ▁on ▁other ▁characters ' ▁accept ance ▁of ▁Y uki ' s ▁identity ▁as ▁a ▁woman ▁and ▁her ▁shift ▁in ▁identity ▁from ▁cross d ress er ▁to ▁trans ▁woman . ▁ ▁Syn opsis ▁ ▁Years ▁before ▁the ▁start ▁of ▁No ▁Bra , ▁Mas ato ▁K ata oka ▁and ▁Y uki ▁Nom ura ▁were ▁child hood ▁friends , ▁though ▁they ▁were ▁later ▁separated — with ▁Mas ato ▁soon ▁forget ting ▁anything ▁about ▁the ▁friendship ▁and ▁Y uki ▁still ▁tre as uring ▁those ▁mem ories . ▁Mas ato ▁grows ▁to ▁become ▁a ▁high ▁school ▁student ▁en rolled ▁in ▁Me ik y u u ▁Private ▁Academy , ▁whereas ▁Y uki ▁moves ▁from ▁school ▁to ▁school , ▁never ▁quite ▁fitting ▁in ▁because ▁of ▁her ▁cross d ress ing ▁and ▁femin ine ▁appearance . ▁One ▁day , ▁Y uki ▁moves ▁in ▁with ▁Mas ato ▁and ▁starts ▁going ▁to ▁school ▁with ▁him . ▁Y uki ▁prompt ly ▁becomes ▁one ▁of ▁the ▁most ▁popular ▁girls ▁in ▁the ▁class , ▁alongside ▁Ka oru ▁O oz ora , ▁whom ▁Mas ato ▁n urs es ▁a ▁cr ush ▁on . ▁Meanwhile , ▁Y uki ▁continues ▁to ▁refuse ▁all ▁of ▁Mas ato ' s ▁ple as ▁for ▁her