"Why would someone 17 years older than me fall in love with me?" College student Kadowaki, who’s clueless about romance, can’t help but be baffled by the unwavering feelings that math professor Matsushita has for him. ... more>>

If only love, like math, had clear rules and formulas...

This side story of Unrequited Love focuses on Kadowaki's perspective and also includes a special short story featuring Mikasa and Yoshimoto. <<less

"Unrequited Love" tells the story of Mikasa, a pure-hearted yet oblivious boy who is devoted and earnest, and his complex relationship with his former classmate... more>> Yoshimoto—a tsundere who, despite his prickly demeanor, takes the lead in their budding romance after Mikasa unexpectedly announces his plans to get married. <<less