Mamoru kun

Rintaro Okabe is a self-proclaimed "mad scientist" who believes that an international scientific organization named SERN is conspiring to reshape the world according to its own interests. He and his friend Itaru Hashida inadvertently create a gadget able to send messages to the past.

Aliens, Espers, and Time Travelers collide around a young girl with the most ultimate power. The Melancholy of Haruhi Suzumiya is about a girl known as Haruhi and a boy she meets in school.

The story follows Kaizaki Arata, a 27-year-old jobless man, who fails at every job interview he had after quitting his last company. His life changes after he met Yoake Ryou of the ReLife Research Institute, who offered him a drug that can change his appearance to 17-years-old and to become a subject in an experiment for one year.