Haruto Tsukishiro wakes up in a dream world and sees a mysterious girl named Lily. Following this, he meets a man named Kanzaki and learns of the existence of witches, which from here on entangles him in all sorts of incidents.

18if is a part of a multi-media project that also includes a mobile game and a virtual reality game.

Episode 1 - The Witch of Thunder

Episode 2 - Time Stopped at Age 12

Episode 3 - The Witch of First Love

Episode 4 - The Witch of Gluttony

Episode 5 - The Witch of Ordinariness

Episode 6 - Curses Return Upon the Casters

Episode 7 - And Now There Are None...

Episode 8 - THRESHOLD

Episode 9 - Idols Don't Go to the Bathroom!

Episode 10 - Dream Dimension α

Episode 11 - The Thorn Cross Association

Episode 12 - The Witch Wars

Episode 13 - Eve's Sigh

GONZO