From a legal standpoint, accessing manga through aggregator sites without proper authorization is generally considered copyright infringement. Ultimately, it's up to each individual to make their own decision and they should be aware if the law of land. Many aggregator sites host manga scans without proper authorization from the creators or publishers. This violates copyright laws and undermines the rights of the creators. Supporting these sites may contribute to the perpetuation of piracy, which harms the manga industry. Given your introduction of the Quran into this straightforward legal issue, I would suggest introspecting and reflecting on your own conscience (nafs) before making a decision. The creator has put a moral indicator inside every one. Use it. Thanks