Suki ni Sasete Miseru kara! 3rd step

Hiro, a college student aiming to become a pastry chef, is in a loving relationship with his childhood friend, Shun. After having sex together for the first time, they should have been very happy, but Shun is acting a little strange!?

"Now whenever I see Hiro, my heart keeps going doki-doki..."

(Source: Kadokawa, translated)

Note: Includes one extra chapter.