Danshi Koukousei, Otome Game no Akuyaku Reijou ni Tensei Suru.

In the near future, a BCI controller that reads your brain signals and makes your conscious dive into the virtual world of the Internet has become extremely popular. Katsuro, who was arrested for a certain crime, was adopted by police officer Yumeji and serves his prison term while living with his sister-in-law, Rin. However, at the request of his adoptive father, Katsuro investigates Internet crimes in exchange for reduction of his punishment.

One day, “I”, an ordinary high school boy living in the present day, was hit by a truck and reincarnated in another world. But what a surprise it was to find out that I was reincarnated as Elena Evan, the “villainess” of an otome game! If this continues, the future that awaits me will either be condemnation, execution, or exile… I want to avoid that at all costs. While I was worrying about this, I found a glimmer of hope. If Tiara, the main heroine, and I could get together and find a yuri route for us, maybe we could avoid a bad ending…? However, I am now beset by a number of beautiful and handsome men…?

A massive, 1200 page anthology gathering one-shots from every Garo mangaka up until 1984.