Yona Yona Bokura wa Machiawase

Kou Nishito, a graduate student plagued by insomnia, and Yoiko Ichijo, who has struggled with sleeplessness due to loneliness since moving out on her own, are identified as highly compatible matches based on their "Nemunoki" sleep genes. To achieve restful slumber, they embark on a cohabitation experiment. Despite their initial hesitation, sharing a bed allows them to finally drift into the deep, restorative sleep they have missed for years. This marks the beginning of a strange yet heartwarming story about two awkward individuals finding comfort in each other’s presence.