The original work is a (original female) fan novel, and the plot and character settings are biased toward comics.
Cp is Kamado Tanjiro
Character-driven/bildungsroman novel
Elements and plots that may appear in the text:
Giyu Tomioka adopts a younger sister (stepson), Anjurou survives in the Flame Pillar Purgatory, collisions and speculations of viewpoints, jokes from hell that don't know when they will appear, family-like bonds and protection, everyone is a warrior of pure love
There is no time travel, no golden fingers, no plot to humiliate women, and a plot that makes people feel heartbroken. The protagonist has strong attack power, so you can watch it with confidence ᕙ( •̀ ᗜ •́ )ᕗ
Purpose: Hold on to love and hope in a cruel and unpredictable world.