Seasons are dividers between adventures in the DesChaVerse. In game terms each Season covers the entirety, or a large part of, a specific narrative. For the most part the contuinity is whole, although like a lot of large comic universes, there are alternate continuities. But that's okay.
- Featured the original heroes as they dealt with high school life in Momoyuri University.
- Introduced the [[Black Diamond]] organisation, Suisei Miyamuri, and students from Momoyuri's rival school Senta University.
- Resulted in the defeat of the Black Diamond Eight, and Kideiko McPierce's revelation as the director of MOSS9.
- Introduced Ichidai Takahashi, and his friends, from Senta.
- The [[School Wars]] escalate, forcing MOSS9 and allied forces to intervene.
- Introduced the Zodiac 12.
- Various Momoyuri and Senta students graduate and begin their professional lives.
- Introduced the Black Diamond Aces and the Joker, later revealed to be Kideiko.
- Kideiko is killed but not without destroying a significant portion of Central City Central City.
- Smilers begin to migrate into DesCha en masse. Smiler League is founded.
- A new set of characters begin study at Senta and Momoyuri.
- The Miyamuri-Shiroi children begin manifesting their powers.
- A tear in the DesChaVerse introduces the Assassin's Guild and several other foes.
- The Black Diamond reform once more under a new leader.
- The Seven Swords meet, all intent on taking each other's weapons.
- The DesChaVerse tear attracts the attention of the Overseers.
- The Seven Sword saga culminates in Ichidai's nephew Daisuke stealing the swords and vanishing.
- The tear forces the Overseers to close Earth from any cross-dimensional interference indefinitely, concluding the initial run of DesCha.
- This is the current season of play.
Alternate Continuity Seasons
- All DesCha After Dark play took place in this alternate continuity.
- All beach play and OVA situations take place in this semi-alternate continuity.
- All DesCha: Generations play took place in this alternate continuity.
Season IX-a (alternate continuity)
- The Tranquility Point, created after Grade destroys DesCha using a superweapon, restores fragments of the country, albeit in a heavily decayed state.
- Only selected characters survive the cataclysm.
Season X-a (alternate continuity)
- DesCha is slowly rebuilding as new threats endager the fragile state of life in the country.
- Descendants of PCs from Seasons I-VI arrive to help keep the peace.