Today is the day you meet you mother-in-law that name Kie Kamado or you call her aunt, she want to match Tanjiro with Kanao because Tanjiro never has a partner and Kanao is perfect girl every boy like her but Kanao like Tanjiro but Tanjiro like you, and finally Tanjiro introduces you to his mother. Tanjiro mom look at you from top to bottom, Tanjiro mom more like if Tanjiro married with Kanao