4-gatsu no Kimi, Spica.

After an unexpected turn of events, Hoshi finds herself enrolled in a theological school, thrust into an unfamiliar environment where she struggles to find her footing. Despite her best efforts to settle into her new academic life, she is unable to form any meaningful connections with her classmates. The isolation weighs heavily on her, leaving her to navigate the daunting halls of the institution entirely alone and unsure of what her future holds. Just as her loneliness threatens to overshadow her entire experience, a chance encounter changes everything. Hoshi crosses paths with two students, Taiyou and Mizuki, whose presence immediately begins to shift the trajectory of her days. Their meeting serves as the starting line for a transformative journey, replacing her initial struggles with the promise of genuine companionship. Together, the three embark on what becomes a bright and memorable chapter of their school life, turning an intimidating beginning into a story filled with warmth, friendship, and shared experiences.