If we're both still single by the time we turn thirty, should we get married?, 30-Sai made otagai dokushindattara watashitachi kekkon shi yokka?, 30-Sai made otagai dokushindattara watashitachi kekkon shi yokka? 23-Sai-hen, 30歳までお互い独身だったら私たち結婚しよっか?, 30歳までお互い独身だったら私たち結婚しよっか? 23歳編, If we're both still single by the time we turn thirty, should we get married? (Age 23)