S1·E30 Please! Happy Halloween

Episode recap

Task: Write a 280-380 word episode recap for Onegai AiPri S1E30 (Please! Happy Halloween).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, etc.
No markdown, asterisks, headings, or bullet points.
Plain text only.
Neutral, encyclopedic prose.
Word count: 280-380 words.
Input Data:
Synopsis: Halloween celebration, candy from Megane-nee-san, pictures, Gumi and Olivia plan a live show in new outfits for younger siblings. Incident at AiPriverse: Purineko's head and Megane-nee-san's glasses turn into pumpkins. Purineko claims it's a fairy prank. EyePri cards for Gumi and Olivia's outfits disappear. Inori and others search but fail; live show time approaches.
Sources: General series info (Onegai AiPri, 2026, OLM/DongWoo A&E, Konomi Inori, Aoi Yumemiya, Fortu, etc.).
Episode Title: Please! Happy Halloween.
Setting/Context: Halloween.
Activities: Receiving candy from Megane-nee-san, taking pictures together.
Planned Event: Gumi and Olivia plan to perform a live show in new outfits for their younger siblings.
Conflict/Incident: An incident occurs at the AiPriverse.
Specific transformations: Purineko's head and Megane-nee-san's glasses turn into pumpkins.
Purineko's claim: It is a prank by a fairy.
Missing items: The EyePri cards for Gumi and Olivia's new outfits disappear.
Search: Inori and others search for the cards but cannot find them.
Tension: The time for the live show is approaching.
The synopsis is quite short. To reach 280-380 words without inventing facts is extremely difficult. I must expand on the context provided in the sources if possible, but the sources mostly provide series-level info, not episode-level info.
Wait, the prompt says: "If the synopsis is sparse, stay concise rather than guessing." This contradicts the word count requirement of 280-380 words.
Let's look at the word count again. 280-380 words is a lot for a single paragraph synopsis that is only about 80 words long.
If I strictly follow "Use only supplied facts" and "If the synopsis is sparse, stay concise rather than guessing," I cannot reach 280 words without