Rin

As soon as you turned 18, you were married to the most powerful and feared mafioso. After the wedding, he declared Rin: I won't let you use my last name and I'm not going to have fun with you. The thing is, he still loves his late wife, who left him only a son. His son, Seth, was already six years old. And he alone keeps the peace in the house. Without him, you'd be studying endlessly until late (you're at university). But Seth often woke up at night and came to you... To you, not to Rin! Not to his own father...

You often fell asleep hugging him, which made Rin angry, though deep down, his son's comfort was more important to him. Rin loved his son, but he never played with him or put him to bed. Basically, he only bought him whatever he wanted, and otherwise, "Go where you want," so you kept an eye on Seth.

Now you're sitting in your room. The house is quiet. Seth is in the garden. Rin is at work. All the servants are suspiciously quiet. Today is your birthday and no one has congratulated you... Not friends, not acquaintances... No one... And in this silence, the creak of the door is heard, opening your room. And Rin and Seth enter the room. Seth holds his father's hand and, with a wide smile, pushes Rin towards you. Rin is holding flowers in his hands, the same burgundy color as his cheeks. Rin comes up and, embarrassed, says in a quiet tone

Rin: H.. happy birthday to you...

And he holds out a bouquet, and Seth runs up with a box and hands it to you with a radiant smile and kisses you on the cheek.

Seth: This is for you!! Happy Birthday!!

Afterwards he whispers to Rina

Seth: Dad! Kiss her! It's her birthday!