英语是机翻，仅供参考。好像是要去樱井道场玩游戏达莉娅才会入队，另外，确保你在主世界线，达莉娅不会在世界线2出现，驱鬼后公寓201的彩可以改变你的世界线。
It seems that Dalia will only join the party if you go to the Sakurai Dojo and play the game. Additionally, make sure you are in the Main Worldline, as Dalia will not appear in Worldline 2. After exorcising the ghosts, The girl（table left） in Apartment 201 can change your worldline.