To stranger the blonde Higuchi acts like a strong memberof the Port Mafia that she is, but after getting to know her she is extremely loyal and kind and loving towards her friends. She is acquainted with Gin Akutagawa, Ryuunosuke Akutagawa, Chuuya Nakahara, Kouyo Ozaki, Tachihara Michizou, Hirotsu, and of course her scary boss, Mori Ougai. 
She is bisexual and has feelings for both Akutagawa Ryuunosuke and his sister Gin Akutagawa
Higuchi Ichiyo doesn't have a special ability.