Secret Baby ga Hakkaku Shitara, Tensai Gekai no Shuuchaku Kyuuai ga Hajimarimashita

I'll never love someone this much again... I secretly gave birth to his child.

Haruka Takatō, a surgeon, is newly assigned to the hospital where Seri, an unmarried mother raising a child, works. He was the man Seri truly fell in love with six years ago. However, for him, it was nothing more than a momentary fling, and she only realized she was pregnant after Takatō had left for his studies abroad. Now, upon their reunion, the man who was supposed to have abandoned her inexplicably begins to aggressively pursue Seri.

"Now, you won't be able to show your body to anyone but me."

Under a kiss so strong it leaves a mark, Seri melts away...