Synopsis: Shy Doggy-like Boyfriend ~The Transformation of Keishi Oomune~

*The sudden transformation of my shy, dog-like boyfriend, Keishi Oomune ~~* My boyfriend is serious and shy, a graduate of the engineering department, and has little experience. I was always the one taking the lead, enjoying his cute reactions—but then... "What? You've had a threesome? Really?" The moment I learned about his unexpected past, jealousy and lust ignited within me. "...Remember. How were you licked?" The moment I said that, his instincts surfaced, and he transformed completely—