Ten former lovers who broke up for various reasons. At their first meeting, filled with tension and anticipation, one of the participants suddenly reveals a "scandal" from their past. The studio MCs are shocked, marking the beginning of the most terrifying chain of events in the series' history!

The truth behind the "Yuma incident" gets exposed, and with it, X's betrayal, the consequences of infidelity, and trauma. With everyone's emotions already in turmoil, the female participants' aggressive approaches lead to turbulent developments.

One participant's words about being devoted to love enrages X, and Yuma faces an unprecedented date rejection! And then, the most popular man in the series' history arrives, and everyone's romantic arrows focus on him! Meanwhile, a command arrives for an overnight stargazing date and an AI-matched date as the romantic arrows of the ten participants become intricately intertwined.

The results of the AI diagnosis date led to the birth of an unexpected couple! Issei, who strongly wanted to get back together, was facing a difficult problem that couldn't be solved by his feelings alone. Meanwhile, the male members were on the verge of a mental breakdown. Then, a savior appeared: Hinako. Hinako's sad feelings get revealed as she continues to cheer on the members.

A turbulent girls' gathering begins. Bold confessions fill the lounge with unprecedented tension while Hiro Kingdom's stronghold crumbles. Furthermore, Yuri, who wants to get married, learns about the past of the person she likes and is torn between two extreme choices. Miyu decides to talk with X, who broke their promise. X gives an unexpected answer, and a tearful ending ensues.

Yuma can't find a way to mend his relationship with X. His heart is pushed to its limits, and he declares an end to X! After a big cry, he is stunned. A mysterious spin-off story begins. Watching closely, Yuma realizes that his heart is leaning toward another new woman. However, the road ahead for that love is thorny. And finally, everyone's X gets revealed.

Former lovers depart for their X date. Shiori suggests a hand-holding date and quickly becomes close to X. Hiroki pushes X, who struggles with his feelings, and confirms their bond. The studio erupts in screams at Issei's determined confession! The plot takes a turn that changes their destinies. Then, popular guy Hiro reveals his true feelings to two women.

Finally, the day of the final confession arrives. What kind of future will the encounters at Hocance bring? After struggling, suffering, and grappling with their decisions, what will the ten people decide as their journey comes to a conclusion?