Science Fell In Love So I Tried To Prove It Vol. 2

Shinya Yukimura and Ayame Himuro are two extremely gifted STEM graduate students and researchers at Saitama University who strongly believe that everything can be understood using science and math. So when Ayame suddenly confesses that she is in love with Shinya, the two decide to put love to the test by using science and logic to understand it. Together with their whole team, they begin experimenting to quantize their feelings of love and prove whether or not love actually exists.
In Vol. 2, in order to take their experiments to the next level, Shinya and Ayame go shopping together, visit an amusement park, buy each other presents, flirt, and more, but a variety of obstacles stand in their way!
Notice: This manga is written in Japanese.