Arisa Vol 3

From the Kodansha edition

Tsubasa's hunt for The King thickens when Arisa's class goes to a planetarium to watch an eclipse and The King makes a decree that turns the chosen against each other. Later, suspicion mounts on Midori, who asks Tsubasa on a date! Can Tsubasa save the day from The King, and protect the stars in her sister's sky from ill fates?

Source: Anime News Network Encyclopedia