Mars, Vol. 4

In the world of intense emotions and complex relationships, Kira finds herself on the brink of rivalry as old friends of Rei visit the school fair. Their arrival ignites a spark of competition that threatens to overshadow the warm camaraderie they've built. Kira grapples with her feelings, torn between jealousy and the desire to maintain her bond with Rei.

As the fair unfolds, new dynamics emerge, testing friendships and evoking insecurities. Kira's determination to stand out leads to unexpected confrontations and revelations, where the true nature of her feelings for Rei comes to the forefront. Amidst the festivities, the tension simmers, and Kira must navigate the challenges of love and rivalry, all while discovering what truly matters in the delicate web of their relationships.