Both dramas are stories of revenge. The series surrounds the fulfillment of revenge for a beloved person who died violently when the main characters were younger. The stories' conclusions are reminiscent of each other. Ikuta Toma also stars in both dramas.

These movies are similar because both have young men some how becoming the caretakers of a baby. The male-leads both struggle with their new found responsibilities as a father and also have romantic side-plots. Overall they both have a similar feel with the comedic elements and feel-good family vibe they share.