HELP! (. ❛ ᴗ ❛.)

I WAS LOOKING FOR DIS MANGA, I THINK I READ IT AROUND 2O17 (˘･_･˘) ITS NOT A BL/YAOI MANGA, YEP! ITS A SHOOOUJO! (｡•ᴗ-)✧
I BARELY REMEMBER IT, BUT IMMA POST WHAT I JUST REMEMBER ( ꈍᴗꈍ)
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DA GIRL I THINK PRETENDED TO BE A BOY, BECAUSE DATS WHAT HER PARENTS WANTS? HMM.. DA REASON I THINK WAS A CRIME? WORST CRIME TO DA POINT NO WOMEN CAN GO OUT?
HER PARENTS I THINK DIED? THEY ARE A COPS?ಠ◡ಠ NOT SURE.

DA MALE LEAD I THINK IS A YAKUZA? YES A YAKUZA!! (. ❛ ᴗ ❛.) DA GIRL AND HIM WAS EX-CLASSMATES? HMMM .. NOT SURE AGAIN.

DA YAKUZA OR I THINK DA GIRL WANTS TO BE A BODYGUARD? OR DA YAKUZA HIRED DA GIRL TO BE A BODYGUARD? (. ❛ ᴗ ❛.)

PS. DA GIRL WAS GOOD AT FIGHTING.
PSS. DA GIRLS HAS 3-4 BROTHERS? ( ꈍᴗꈍ)

THANKS!