水原千鶴（桜田ひより）をレンタル彼女だと見抜いた更科瑠夏（工藤美桜）は、あくまでも本当の恋人同士との態度を取り続ける千鶴に、木ノ下和也（大西流星）とのキスを求める！ 和也のためにも自分のためにも、瑠夏から栗林駿（鈴木康介）に真実をバラされることだけは絶対に避けたい。そう考えた千鶴は、焦りの色を浮かべる和也の頬に手を当て、唇を…。
その後も、いつ駿に告げ口されるかとヒヤヒヤな和也は、ダブルデート終了後、こっそり瑠夏の後をつける。ところが、瑠夏はそんな和也を待ち伏せ。「恋人偽装の次はストーカーですか？」との非難に和也は返す言葉もなく、結果的に千鶴とのレンタル関係を認めることになってしまう。それでも、瑠夏から周囲にバラさないとの誓約が欲しい和也は、身勝手を承知で真剣に頭を下げ続ける。そんな和也に瑠夏は衝撃の言葉を残して走り去る…！
Ruka Sarashina (Mio Kudo), who sees that Chizuru Mizuhara (Hiyori Sakurada) is a rental girlfriend, asks Chizuru, who continues to take the attitude of a real lover, to kiss Kinoshita Kazuya (Onishi Ryusei)! For both Kazuya's sake and myself, I absolutely want to avoid having Ruka reveal the truth to Kuribayashi Shun (Suzuki Kosuke). Thinking that, Chizuru puts her hand on Kazuya's cheek, which shows her impatience, and kisses her lips... After that, Kazuya, who is nervous about when Shun will tell her, secretly follows Ruka after the double date. However, Ruka ambushed Kazuya. Kazuya has no words to respond to her accusation, "Are you going to be a stalker after pretending to be a lover?" Still, Kazuya, who wants a pledge from Ruka not to disperse to her surroundings, continues to seriously bow his head knowing her selfishness. Ruka leaves Kazuya with shocking words and runs off...!
