Inosuke doesn't become a Hashira in the manga. The story progresses with him having other significant experiences and achievements instead of achieving that specific position.
It's hard to give an exact number. Different story arcs and battles led to the deaths of multiple hashira. Some died heroically, while others met their fate in unexpected ways. The count changes as the manga progresses.
Definitely not. Genya remains outside the ranks of Hashira throughout the manga. This is because of a combination of factors such as his skills, experiences, and the overall direction of the story.
Tsukuji, Shinobu, and Masayoshi were the three main characters in the tennis prince. Their pairing was often referred to as "Shinobu Masayoshi" or "Shinobu Masayoshi" for short.
A possible tennis prince's fanboy is Atobe's gift. The story was about the emotional entanglement between Atobe and Masayuki, as well as Atobe's cruelty and ruthlessness towards Masayuki during the competition.
In this article, the three Sugawara Fuji, Shinobu, and Shinki all had strong strength and deep emotional backgrounds. Their pairing was often controversial. In the storyline, Atobe's cruelty and ruthlessness towards Makoto in the game made people feel heartbroken, and Makoto's feelings towards Atobe were also very complicated.