Last Game manga volume 3 features story and art by Shinobu Amano.

Kujou and Yanagi are both taking part in the Astronomy Club's welcome trip for new members. Yanagi is reeling from their accidental kiss, but Kujou remains oblivious around him—and unguarded. Hoping to press his advantage, Yanagi tries to get her to open up about her feelings toward him on their way to a stargazing exercise, but a sudden downpour leaves them stranded together...overnight!