Mahiru Kouzuki (神月 真昼) is one of the main characters in the anime series 'Yoru no Kurage wa Oyogenai'. As a member of the mysterious Jellyfish club, Mahiru serves as a source of emotional support for the protagonist and often acts as the group's moral compass. Her gentle demeanor and intuitive understanding of others make her an essential ally. Throughout the series, Mahiru’s personal struggles and hidden strengths are gradually revealed, playing a pivotal role in the unfolding story and the development of the main cast.