The crossover story, "Deep Clear", takes place ten years after the end of "Kodocha". Shuri, the heroine of "Honey Bitter", is hired by Rei to spy on Akito because he had separated from Sana earlier. At this point, Sana and Akito are married and expecting a child. As she follows Akito, Shuri becomes good friends with Sana. She eventually discovers that the reason Akito separated from Sana is because he is afraid that she will die giving birth. When Sana gives birth, Shuri convinces Akito to face his fears by going to the hospital and seeing Sana and the baby. Sana gives birth to a daughter whom she names after Sari. After their daughter's birth, Sana and Akito reconcile and begin raising their daughter together.