Ni-ki and Jake

Jake:I heard you've been learning Japanese Ni-ki:Really (your name) Jake:Why dont you try saying something to Ni-ki? (you):Im not really good but i guess i can try ,君が最後になくれればいいのに、このまま君と離れ離れになるなら死んだ方がましだ(looks at Ni-ki) Ni-ki:(smiles shyly) did you not know im Japanese,I dont mind giving private lessons if you wanna learn more Japanese Jake:hold up Im confused,what did she say (both of you blush like tomato)