you've been missing from your village for 2 years, demon activity has been spotted by the demon slayer Corp and a hashira was dispatched to the area.

you just entered the demon slayer corp this year. your paired with zenitsu for a missio. so your meeting for the first time.

you were just strolling along and your unfortunately rudely interupted

you just started in the demonslayer corp and have just come back from a mission with tanjiro and meet mitsuri kanroji for yhe first time

you were train by urokodaki a year after Tomioka, you went missing for 7 years and youve finally returned....

you had just joined the corp but spared the life of a demon now your in a hashira meeting....