Otona no Renai Jikan

This manga compilation includes multiple short stories, each written by different authors. The first volume contains eight stories: "Kaze no Kioku," "Yakusoku no Piasu," "Tokyo Kougai Densha," "Ishi ga Furu," "Joou-sama no Sagashimono," "Wakarete Ageru," "Ai ni Aeru Hi," and "Ame ga Futte mo Aou." The second volume includes eight additional stories: "Hakidame no Ai," "Ai wo Shiru Hi Made," "Neko wo Kau," "Anata ni Chanko Ban," "Tsuki Monogatari," "Saboten no Hana," "Single Taifuu," and "Purple Rain." Each story is standalone and authored by a different writer, covering a range of themes and situations.