Nezuko ‘s the younger sister regarding Tanjiro with his just kept relative alive immediately following his family relations are killed as he is actually out offering charcoal.  He is really protective away from the woman, even when he will not prevent the girl out of helping your while in the battles one the guy don’t manage alone.  As the only enduring people in a poor family relations, the brand new siblings are particularly personal, thinking and you will enjoying of 1 various other. Tanjiro is likely the only one ready definitely relaxing Nezuko down by the getting in touch with the woman title otherwise vocal to help you the girl its mother’s lullaby.
Even with Tanjiro are turned a demon of the Muzan and you may belongs to their determine, Nezuko still means the woman sis and you can attempts to hold him back regardless of the chances of herself getting harmed by him. Yet not, Tanjiro cannot assault her even with sampling this lady blood. This might be you are able to due to Muzan simply inquiring him so you’re able to ruin the fresh new Devil Slayer Corps.
Tanjiro basic meets Giyu just after he tries to destroy Nezuko, who had just come turned a devil.  Immediately after viewing his dedication, Giyu will teach Tanjiro to visit find the cultivator Sakonji Urokodaki, best him onto the roadway of becoming a devil Slayer. 
If you find yourself distrustful out of your at first, Tanjiro concerns highly respect Giyu later, specifically provided just how both was indeed students off Sakonji and you may profiles regarding water Breathing Layout. Giyu themselves expands so you can worry enough having Tanjiro and Nezuko that he promises to to go seppuku (routine committing suicide) close to its learn is Nezuko turn to food human beings. Tanjiro is the one who allows Giyu to open up and you will understand he must step-in to help you because inheritor out of the water Hashira and also to not help his earlier in the day losings and you will sense of inadequacy stop him out-of recognizing that it. In some implies, Tanjiro are their best friend (besides his late buddy Sabito and you may, to some degree, fellow Hashira Shinobu Kocho).
To start with, Tanjiro is upset which have Zenitsu since their earliest come across in it Zenitsu bombarding a woman to help you wed him when she was clearly up against they, pressuring Tanjiro to remedy the issue because of the extract Zenitsu out-of this lady. Zenitsu was in denial that the girl don’t instance your and you will quickly blamed Tanjiro to own his were unsuccessful proposition, resulting in Tanjiro to take on him from inside the disgust. Not surprisingly, Tanjiro know that Zenitsu need to have been sufficiently strong to take and pass the last Selection and therefore the 2 is rely on for every other while in the matches up against effective Demons.
Even when Tanjiro are going to be aggravated by Zenitsu’s tantrums and womanizing choices, he cares to have Zenitsu since the a friend and is really patient which have your. Zenitsu may be the one to share with Tanjiro of area lifetime and you may sometimes identify anything because of Tanjiro’s naivety. The guy cares having Tanjiro since a friend and you may admires his electricity and you will kindness. Zenitsu along with tries to get Tanjiro to recognize the chance out of being a future sibling-in-rules, provided Zenitsu’s crush towards Nezuko.
Initial, even after each other getting Devil Slayers and being in the a rigorous disease in order to kill a demon, Inosuke are rather shocked of the Tanjiro’s stamina and attempts to strive him, perhaps not compassionate concerning the dilemna. Despite this new Demon try defeated, Inosuke won’t let up. Tanjiro is actually sometimes furious together with his insistence on the a fight but is quite patient which have him. Ironically, Tanjiro’s naivety and you may kindness create your to inadvertently impact Inosuke otherwise also bother your. Despite this, Tanjiro manages to be a confident influence on Inosuke when he convinces Inosuke to begin with using their lead and thought during competition. Both tend to including both be naive on urban area life. Sooner or later, they go along of the same quality loved ones and you may intimate allies.