Tanjiro and Zenitsu are best friends to the end ! [ But a small problem occurs . ] Over the time they spend with each other , they both realize they have feelings for each other and want to find ways to express their love for one another . [ It doesn't go as planned due to the two girls crushing on each of them, breaking their hearts would be harsh . ] Nezuko and Kanao don't communicate much but they do sit in silence and enjoy each others company at times , they are aware they have feelings and sometimes have girl talks , for example . . Kanao is aware Nezuko likes Zenitsu and Nezuko is aware Kanao likes Tanjiro ! [ Ta-Daaannn ! ! ] . . . . . . . . . But what will the results be at the end of their time ? Sumihiko and Yoshiteru are there to change the fate of their love in these modern times !