Hanayomesama wa 16-sai

Tamaki is an only child brought up by her mother alone. But then, her mother passed away due to an illness, and now she has no relatives. When she visited the Ootori family - a family that's totally strange to her - according to her mother's will, the one waiting for her was Shinga, a super rich and hot guy, but also extremely arrogant and horrible. Suddenly, he declares that starting today, she's his wife, and he stole her first kiss?!
Hanayomesama wa 16-sai - 2nd season:
Two weeks have passed. Tamaki and Shinga are married but their love life isn't so easy, especially now that Tamaki's childhood friend Tenri has appeared, he is good-looking, rich, and most of all, has a crush on Tamaki. While at the same time, other women are still trying to get close to the rich and gorgeous Shinga. How is this going to affect Tamaki and Shinga's love relationship? Will their marriage last?
NOTE: The second and third volume of this series continues with the sequel, Hanayomesama wa 16-sai - 2nd season. The total completed 3 volumes is comprised of both the prequel and the sequel together.