Yazeru

A tentacle monster destroys most of the moon, and threatens to do the same to the earth unless the governments of the world allow him to teach Japanese high school home room. Now, this class full of children have been tasked with assassinating this monster by the end of the year, otherwise the earth will be destroyed.

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.

It’s a new school year and Ryuuji Takasu discovers not only is he in the same class as his best friend, Yusaku Kitamura, but also Minori Kukshieda whom he's had an undisclosed crush on for quite some time. Ryuuji, the main character, runs into Aisaka Taiga who happens to live next door.