In "To Love-Ru", who is the first to hear of Yami's past from her?

In To Love Ru, Rito is the first one to hear about Yami's past because they develop a close bond and trust each other. Yami feels comfortable sharing her past with Rito due to his empathetic nature and genuine concern for her well-being. As the series progresses, Rito becomes a pillar of support for Yami as she navigates her emotions and attempts to come to terms with her past, solidifying their relationship as friends and confidantes.