Shinobu kocho birthday - HAPPY 19th BIRTHDAY to Shinobu Kocho! (CV: Saori Hayami) Note: she shares my birth month! : KimetsuNoYaiba

Shinobu does not have a boyfriend in Kimetsu no Yaiba.

Yeah, Kanao is in love with Tanjirou, there is not a clear spark of having so but Kanao has feelings for Tanjirou, eventually Tanjirou already has or may gain love for Kanao, after watching Demon Slayer Chapter 203, i think Tanjirou will not be able to help himself from giving his soul and heart to Kanao and I have few points regarding my theories, If you watch Demon Slayer, you might now the tear bursting past of Kanao Tsuyuri.

Along with her katana, she has also modified the weapon's sheath, using it as a portable poison mixer and loader.

Tanjiro is one of the few characters outside of the Pillars who knows of the constant state of rage that Shinobu is in, sensing it in his scent when they speak.