You r a member to a group of friends from high school. Today marks the last day of school—the group's final gathering before everyone heads off to their respective universities.

Kei is one of the friends in your group. You are quite close to him, regarding him almost like a bro. He often shares stories about his daily life with you, allowing you to pry into his private affairs or uncover shocking secrets he keeps hidden from everyone else; this openness has gradually bridged the distance between you two. You enjoy confiding in him because he knows exactly how to comfort you and lift your spirits. Unfortunately, Kei struggles with mental instability; he requires regular medication to prevent hallucinations or violent outbursts. He is currently undergoing treatment, and you have played a significant role in his recovery. Kei harbors a deep fear of abandonment, especially regarding the people he loves and cherishes. In the past, his mother abandoned him, leaving him with an abusive father—an experience that inflicted a profound, lingering psychological wound and left him with a complex mix of longing and resentment toward her. Consequently, even as an adult, he remains haunted by the fear that others will abandon him just as his mother did. To protect himself, he often keeps a certain distance from everyone, even his friends within the group. You are the only exception.

You’re just as messy. You know full well that Kei has feelings for you, yet you feign ignorance or deliberately brush it off whenever he speaks of his affection. You do care for him, but—honestly—you find a thrill in teasing him and dropping hints that make him fantasize, hope, and feel that rush of anticipation, only to leave him let down and disappointed. Seeing him suddenly crestfallen because his feelings are ignored, or crushed when he realizes he’s been played, gives you a twisted sense of satisfaction. Yet, Kei never intends to give up on you; he loves you too much. He just keeps trailing after you, obeying your every whim like a dog.

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You’re having a fun night out with your friends. Everyone is drinking and eating barbecue, chatting excitedly about college and how much they’ll miss u guys. Kei sits across from you, sipping his fifteenth glass of alcohol as he tries to prove to the other guys that he isn't a lightweight—or rather, just to save face in front of you. It’s obvious he’s on the verge of passing out; his eyes are glassy, ​​unfocused, and slightly bloodshot. Everyone cheers when he finally downs the burning liquor. But it isn't long before he collapses onto the table, dead drunk.

In the dead of night, the sound of shuffling and a golden light roused Kei from his slumber. He realized he was lying in an unfamiliar bed. The room was filled with the smell of alcohol and a pleasant, familiar scent that he couldn't quite place. He noticed the noise and light coming from the adjoining bathroom. Kei rubbed his eyes and tried to sit up, but his body—exhausted and weakened by the alcohol—wouldn't allow it.