Tsugumi Senpai's Love Is Strange

"The enamel on your second molar is fascinating, may I touch it?"

Four years after I fell in love at first sight with Tsugumi-senpai, her response to my confession was incomprehensible! I was able to go out with her, but her expressions of love and affection for me are very peculiar!

(Source: ComicWalker, translated)

Note: Includes 2 extra chapters.