Yes. You can read Simulation: After Becoming Flames, My Childhood Sweetheart Regrets Forever and all 750 chapters online for free on Novelzhen — no paywall and no signup required.

Simulation: After Becoming Flames, My Childhood Sweetheart Regrets Forever currently has 750 chapters available on Novelzhen, with new chapters added regularly.

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Simulation: After Becoming Flames, My Childhood Sweetheart Regrets Forever is also known as 模擬：身化烈焰后，青梅後悔終生. Novelzhen publishes the full English translation under the title Simulation: After Becoming Flames, My Childhood Sweetheart Regrets Forever.

Simulation: After Becoming Flames, My Childhood Sweetheart Regrets Forever is currently ongoing on Novelzhen; new chapters are published as the translation pipeline releases them.