Yandere Simulator was first revealed to the public and made available for download as a free stealth game.
First rival character, Osana Najimi, was announced as the first major rival to be implemented into the game.
Release of a major gameplay update with new mechanics and rival characters to expand the game's depth.
YandereDev faced suspension from the Overwatch community due to behavior, impacting his reputation.
YandereDev publicly discussed mental health struggles, fostering community discussions.
Osana Najimi transfers to Akademi High School, becoming Senpai's childhood friend and first rival for affection.
The protagonist, Ayano Aishi, begins her attendance at Akademi High, initiating her quest to win Senpai's love.
Ayano's intense affection for Senpai culminates in an obsession, motivating her to eliminate all romantic rivals.
Ayano successfully orchestrates the elimination of Osana Najimi, removing her first rival.
Several new rivals are introduced, each with unique interactions and challenges for Ayano to overcome.
Ayano develops skills in stealth, social sabotage, and disguise to manage rivals and avoid suspicion.
Ayano begins to experience psychological strain due to her actions and obsession, affecting her behavior.