Native Title: 素晴らしい世界 Also Known As: 弟なのか、恋人なのか、それが問題だ , 素晴らしい世界 , Is he a brother or a boyfriend. That is the problem , SP：素晴らしい世界/是弟弟还是恋人，这是个问题 , 素晴らしい世界/是弟弟还是恋人，这是个问题 Kazuo who has been in love with anime characters for 21 years finally succeeded in getting a date Arisa, who looks like an anime character but then a mysterious boy named Yuji appeared.