My Girlfriend is the Cutest in the Universe.

俺の彼女は宇宙一かわいい

"The person I love is in love with a 2D object..." Kokoa, a girl with a romance level of zero, likes the most popular boy in her class, Soushi. However, Soushi is currently a light novel author in high school, and he's a pure, bright, otaku boy...!? (Source: AQUA Scans)