💡 : If you jump straight into Season 3 without watching this, you will be confused about how the Kingdom of Science suddenly has a currency, a hot air balloon, and a new flamboyant leader. If you'd like, I can:
: This is not a recap or "filler" OVA; it is a direct continuation of the manga's plot.
Give you a created in this special Explain Ryuusui's background and family legacy Provide a watch order guide for the rest of the series