Season
Season 1 Episode
- Season 1 Meros Warrior
- Season 1 The Beginning of a Long School Break
- Season 1 White Night Cape
- Season 1 Monster Union
- Season 1 The Voice Reaching Out to You
- Season 1 Pyramid Scheme Valley
- Season 1 Meigen
- Season 1 The Fated Road Afar
- Season 1 Apeman Turn
- Season 1 Unicorn Series
- Season 1 A Song You Still Don't Know About
- Season 1 Maze Island
- Season 1 Kurofune
- Season 1 The Entrance called the Exit
- Season 1 Fortune River
- Season 1 Sayoko
- Season 1 Having wings even though one is not an angel
- Season 1 Tokyo Station
- Season 1 The War of the 20th Century
- Season 1 The Sun Is Calling Out To You
- Season 1 Area out of Range
- Season 1 Mithranome
- Season 1 Like an Arrow that Pierced Through the World
- Season 1 And yet, the dawn of you who begins a journey
The Melody of Oblivion - Season 1 Episode 4 Monster Union
6.00 25 minutes Bocca finally learns that the robot creature he fought before was from the organization, Monster Union, who are humans who serve under the monsters, using the robot creatures as their weapons.Keiko Hamasaki, the sister of Kew, and the owner of the inn, remembers her past, and is reminded of why she joined the Monster Union. Later, the robot creature strikes again, and Bocca is faced with it again, giving Bocca a great surprise.
