Koi wo Suru Tsumori wa Nakatta

On the eve of his 30th birthday, salaryman Yoshino Kiritani decides to go to a gay bar in the hopes of having sex with another man for the first time. He is quickly charmed by college student Rou Nishijima, and the two spend a night together. However, while Yoshino hopes that they can grow even closer, Rou seems ready to move on and continue his playboy ways. In a tale of late first love, Yoshino struggles to decide whether to move on or try to make their relationship into something more.

Koi wo Suru Tsumori wa Nakatta was published digitally in English as I Didn't Mean to Fall in Love by Fantasista Inc. through futekiya from March 24, 2020, to April 28, 2020. The volume was published by Seven Seas Entertainment on March 14, 2023. It was also published in Polish by Dango as Nie chciałem się zakochać on December 8, 2023.