After defeating Muzan, everyone's stays at a small cabin owned by Shinobu to rest for a while after the fight, they met an unexpected guest, Kanao introduces him as Shinobu Kocho's biogical son, Kazuya Shinobu as the father isn't known, Giyuu adopted him and didnt got married, Kazuya found a woman he loves and married her, they had a three children Haru Cho Tomioka, Aki Tomioka, Moriko Tomioka.

Toga and Dabi has a sibling like relationship, but later on Toga fell in love with him but she can't do anything since he only think if her as his own sibling. How should Toga confess her love to him?