高層ホテルに集まった10人の男女に、ホカンス中は「自分の元恋人"X"が誰かを共有してはいけない」というルールが告げられる。それぞれが元恋人の存在の大きさなど様々な思いを抱えながら、過去の恋愛を乗り越え、新しい恋愛に踏み出だせるのか?! 出会いと再会、自分を見つめ直す旅が始まる。
女性メンバーがかつてXと行った思い出のデート地に行く、シャッフルデートの司令が入る。 他の男性と行く思い出の場所。期待と不安を孕んだ１日が動き出す。 翌日は全員で花火大会へ行くことに。特定のカードを引いた2人が、2人きりで鑑賞できる特別シートへ。その幸運な二人とは！？
花火を見るあみの目に涙。その訳とは？浅草デートを満喫してありさとダイキは急接近。しかしリビングで一人塞ぐきょうへい。ありさを気に掛けるきょうへいは話すチャンスを求めたが失敗。ダイキとありさが急接近することに焦っていた。
きょうへいはありさと向き合うことを伝える。しかしそんなきょうへいに、自分もありさに惹かれてるとダイキが宣戦布告する。マサシはあみにサプライズを用意。感激するあみだが"X"のことを思い出し気持ちが揺れる。
ダイキはありさをデートに誘い、懸命に喜ばそうとする。あみはマサシとのデートで居心地の良さを感じる。弱音を吐くきょうへいにありさの反応は…?! ダイキがマイを呼び出した。マイの本音とは?!
ホカンス生活も終盤。マサシがギターを抱え歌い始める。それが思わぬ事態に…!? それぞれの"X"が誰か、いよいよ発表される。そして舞台はトランジット！新天地で最後の告白に向けて自分の気持ちを確かめていく。
メンバーは、“X”同士でデートに出かける。 早朝1人で出掛けるきょうへい。デートはどうなる？楽しくデートしていたカップルが大喧嘩に…⁈ 思いを伝えたが微妙な反応に…⁈ メンバー全員で最後の晩餐。それぞれの思いを語るメンバーたちの目に涙が…！
”X”そして新たな出会いと向き合った旅がついに終幕を迎える。想いを伝えたい相手がいる者はバス停で告白を行い、告白を受けた者は一緒にバスに乗り込むか、乗らずに別々の道を行くかを選択する。それぞれが導き出す答えとは⁈ 物語は予測不能で壮大なフィナーレを迎える。
The reason for the shocking breakup is suddenly revealed. Who is the ex-lover who cheated on? A love document of 5 couples and 10 former couples that unfolds in a luxury hotel. Who are the ex-lovers and who wants to get back together? And a premonition of a new love begins to move. A series of rapid developments, all of which have a hint?
Takaaki's X is no way…. A turbulent beginning. A "memory land date" where you go with someone other than X. The night before, the women chatted anonymously with their date, X. There, regrets and reasons for the breakup are revealed. Purple Tulip is a female participant!? "If you have feelings for me, I don't want you to leave me." New romances started one after another after the memorable date.
"I don't think we are going to get back together." These were harsh words from an ex-lover. Why is it so rejected? X, who is moving on to a new relationship, and X, who wants to get back together, are at loggerheads. When that frustration was building up, the incident happened… Furthermore, at a party on the boat, the love of a female participant makes a big move.
The person she chose for a special date was… A surprising development that no one can read. The distance between the two is rapidly approaching. However, there was an unexpected command. "What if the past were all gone…" Unstoppable tears. The reason is…. Ambiguous distrust of men. A bold move by a female participant who had been quiet until now. The arrows of love are intricately intertwined.
"Too kind to everyone..." Jealous female participants' dissatisfaction flared up again! X's attitude has not changed, but there is a big secret. X's spectacular past is revealed! And another incident… Due to a misunderstanding by the central figure in the love triangle, the relationship between the women begins to fall apart.
Finally, everyone's X is revealed! At that moment, for some reason, tears overflowed… The arrow of love that has never been there before starts to move. And HOCANCE is on its way to the next port of call! The time limit is approaching. One of the participants, cornered, takes an unexpected action.
"I'm glad we broke up." "I'm thinking of getting married." A date with their conflicting feelings causes upheaval. A series of shocking confessions. The love of 10 people, who are in limbo until the very end, takes an unexpected turn.
Time for the final confession. 10 people express their feelings at the bus stop. Who will the X transit with and what kind of transit will they make…!? A turbulent ending that overturns expectations awaits!
