1x1 - Darkness

April 2, 1999

Keita Aono goes to school one day, and his class happens to have a new student. That student is a girl named Hinoki Sai, Keita's childhood friend. Later, Keita gets himself lost in an amusement park where many people have mysteriously died. Keita catches up with Hinoki, and the two are attacked by a large monster. Who will save them? The being known as Betterman.

1x3 - Sky

April 16, 1999

Keita, Hinoki, and Asami fly overseas, but everyone else on the plane mysteriously disappear. Keita and the gang get attacked by possessed crash test dummies.

1x4 - Awaken

April 23, 1999

1x5 - Hell

April 30, 1999

1x6 - Echo

May 7, 1999

1x7 - Forte

May 14, 1999

1x8 - Poison

May 21, 1999

1x9 - Aqua

May 28, 1999

1x10 - Worms

June 11, 1999

1x11 - Nebula

June 18, 1999

1x12 - Dragon

June 25, 1999

1x13 - Nectar

July 2, 1999

1x14 - Soul

July 9, 1999

1x15 - Shadow

July 16, 1999

1x16 - Revelation

July 23, 1999

1x17 - Dream

July 30, 1999

1x18 - Hunger

August 6, 1999

1x19 - Mirror

August 13, 1999

1x20 - Trap

August 20, 1999

1x21 - Death

August 27, 1999

1x22 - Life

September 3, 1999

1x23 - Offering

September 10, 1999

1x24 - Departure

September 17, 1999

1x25 - Memory

September 24, 1999

1x26 - Nothingness

October 1, 1999

KEITA AND HINOKI BATTLE TO THE BITTER END.