My girlfriend is Ying Li Li

In the fantasy novel 'My girlfriend is Ying Li Li,' Izumi Yu faces a tragic loss when his adoptive parents pass away, leaving only his younger sister, Izumi Sagiri. As he embarks on his journey at the prestigious Toyosaki Academy, a unique system awakens within him, allowing him to improve his skills through practice. Witnessing a fateful encounter with Eiri, a mysterious figure, Izumi's life takes an unexpected turn. Dive into this captivating story of transformation, where identities are questioned and destinies are reshaped.