In an unexpected turn of events, Konno Wataru, a proud and diligent rich young man, finds himself facing a chaotic situation when his strict and perverted butler, Azuma, is tasked with caring for his older sister's baby, Momoka. As they navigate their tumultuous relationship, Wataru is taken aback by glimpses of Azuma's genuine nature amidst their playful banter. Will this unlikely duo rise to the occasion and handle the challenges of babysitting together? This spin-off, derived from the popular 'Dekichatta Danshi,' sheds light on the dynamics between Yujiro, Hisui, and their amusing interactions.