"I Loved You First" An Obsession of My Late Boyfriend's Brother

Story :  After the death of her abusive boyfriend Yochi, Yuka gains freedom while feeling a bit lost. Then Yoichi's identical twin brother, Yuji appears in front of her. Feeling loneliness and being drunk, she opens herself to Yuji, but when she realized, she was being fiercely embraced by him... The way Yuji craves for her deeply, unlike her ex, soothes her loneliness. "Hey, which do you like better, his sex or mine? If you don't say it, I won't embrace you again." His thing uncovers her burning insides and her erotic masochism that awaited within her... Yuji is being unusually affectionate and obsessive towards Yuka, but what are his intentions...?