Sister Princess Season 1

The male protagonist Poseidon is an indifferent young man who only strives for his studies. The story begins in bustling Tokyo, on the day when the exam results are released. Hang and his classmate and friend Canxu go to see the results, thinking that victory is natural for him, but they find that his number is not on the list! Turns out it was because I chose the wrong multiple choice answer. As a result, he failed to pass the school entrance examination, and the housekeeper who had been taking care of Hang had to leave him! Just when things were getting so bad, two mysterious people suddenly appeared and said that Congratulations Hang was recommended to attend a mysterious school, and the school was actually on a mysterious island - Promised Island... Hang was extremely reluctant at first, but because he had no choice, he had to set off. When he arrived on the island, he found that everything was weird. In addition to constantly seeing old people who looked like housekeepers, dressing up as different characters, appearing around Hang. The most shocking thing was that twelve beautiful and lovely girls appeared one after another, and they thought they were Hang's sisters! That's it, Hang is on this island, living with twelve "sisters" with different personalities, opening the most gorgeous page of his life... At the same time, another girl named Zhen Shen, pretending to be Hang's thirteenth sister, sneaks into the Welcome House to join Hang's sisters.