Steins;Gate

Steins;Gate is a 2011 Japanese anime television series based on the visual novel by 5bp and Nitroplus. The story follows Rintaro Okabe, a self-proclaimed "mad scientist," who, along with his friends, accidentally discovers a method of time travel through which they can send text messages to the past, known as D-mails. This seemingly simple act triggers significant and complex changes to their reality, leading them into a larger conspiracy involving the organization SERN. As they navigate the dangerous ramifications of their actions, they face unexpected challenges and moral dilemmas, ultimately questioning whether it's possible to alter the past without causing devastating repercussions.