Zenji Isohata is the deceased husband of Uki Isohata, owner of the Maid Cafe Seaside. He passed away due to illness, but a mishap prevented his afterlife transition, leaving him a ghost bound to the human world. Unseen by everyone, including Uki and the townspeople, he lingers near familiar places and people without interaction, tethered by unresolved circumstances from the afterlife system. Visually, he has facial hair and typically wears a hat. His presence centers on the unresolved bond with Uki, emphasizing themes of lingering presence and unseen connections amidst the series' occasional supernatural elements.