Woah. Sakura and Tsubame have two kids in the future?! That's adorable! But man, it's uncanny how Sakura looks practically identical to Kyoko here. At least Tsubame is slightly distinct from Godai due to his clothes.
But Lum marrying Rei and Ran being single forever is truly the stuff of nightmares. I can't believe how casual future Ataru is about Lum marrying her ex...