Every month we have a set of leaders/winners.

Example:

Most Adopted Oshis

tonishibuichi

73 oshis

⛩️ Most Oshi Shrines

syhznie

3 shrines

🕒 Most Timeline Entries

rae8119

25 entries

🐾 Most Nyans Received

zinkognito

3 nyans

📸 Most Collection Images

AsianTeam

4 images

🎬 Most Titles Added

hanabi

At the start of every month, bump these user roles up to Swabby (if they are only Subscribers - free users; do not apply this so any other role) for 2 weeks by default.

Once the 2 weeks is up, bump them back down to Subscriber.

Add an automatic flag (in Spyglass) when this happens:

Green flag, date of update, note: Oshi Leaderboard Winner Month Year

Email user about this reward.