Jae Hoon and Hae Jun spend Christmas Eve together, exchanging gifts and confessing their feelings. As the New Year arrives, Jae Hoon’s gift carries an even deeper meaning—revealing the sincerity of his heart.

Hae-jun extends the contract as he struggles between money, dignity, and forbidden temptation. But when a friend begins to bring up suspicions, guilt quietly rises to the surface.

Jae-hoon and Hae-jun agree a new contract —this time, a romance contract. Its terms are simple: “Say ‘I love you’ three times a day—once in the morning, once at noon, and once before bed.”

It was the first time in Jae-hoon's life someone celebrated his birthday; Hae-jun's promise, like the sweetest spell, bound him tightly.

Jae-hoon barges into Hae-jun’s classroom to claim him, tossing aside a gift from a friend before pulling him away. In an empty classroom, he pins Hae-jun against the wall and gives him a warning.

An uninvited visitor, Kang Su-hyeok, suddenly appears and reveals Jae-hoon’s possessive control and the childhood trauma Jae-hoon refuses to confront to Hae-jun. With a third party stepping into their world, will the relationship between Ha-jun and Jae-hoon begin to change?

Jae-hoon’s gentle yet coercive control traps Hae-jun between feelings of being cherished and confined, while Hae-jun makes his first bold move to cross the boundaries of their contract.

Ha-jun meets Su-hyeok at a bar, hoping to learn more about Jae-hoon’s past. But when Jae-hoon discovers Ha-jun went out behind his back, his possessiveness spirals out of control. What was once a sweet relationship quickly begins to fall apart.

Jae-hoon once again warns Ha-jun not to wander off on his own and to obey him alone. With Ha-jun staying by his side, Jae-hoon slowly opens up about the domestic violence and separation he endured as a child—revealing the fear at the heart of his need for control and possession.

Min-woo tells Jae-hoon that he has understood his preferences since childhood, and that he was even willing to become the kind of person Jae-hoon likes. It is also the first time he has seen Jae-hoon maintain such a long-lasting relationship with someone under contract.