Gokigen You, Ikkyoku Ikaga?

Synopsis

Sae struggles to adapt to the demanding environment of an elite all-girls academy. Her solitary escape is a mahjong app she plays in secret. Her hidden pastime is discovered by Chise, the school's most captivating student. This encounter sparks a question: can Sae use the strategic game of mahjong to connect with Chise and find her place?