Choukou Sennin Haruka

The main character of the hentai manga Takamaru is an ordinary Japanese student who studies at the prestigious Ten Treasures Academy. Like many young people his age, he dreams of love and romantic relationships. However, all his attempts to win the girl's heart are constantly interrupted by his neighbor, Sihodo Narika.

But one day fate smiles on him, and a real beauty, Takamori Haruka, is transferred to his class. They get closer, and she suggests that he engage in intimacy. It turns out that Haruka is not only a schoolgirl, but also a kunoichi, and in order to replenish her magical powers, she needs to engage in intimacy.