Kimi ga Kagi wo Akeru made

Makoto Tsuge and Kyouya Shirane became friends during their sophomore year of high school. Makoto is sociable and easygoing, while Kyouya is more solitary, often acting on his own and teasing others. Despite their contrasting personalities, they have maintained their friendship into adulthood. Both have made significant efforts to preserve their bond. Over ten years, their relationship gradually becomes romantic. A pivotal moment in their connection is marked by their second kiss.