なのに
nanoni

Conjunction

1. and yet; despite this; but even so; but even then; however; nevertheless; for all that; notwithstanding that

佐渡 さどさんは魅力 みりょく てき個性 こせい ぬしなのに、その価値 かち からず、自分 じぶん このまない。
sawatarisanwa miryokutekina kosēno mochinushina nonisono kachiga waka razujibun'o konoma. nai
Even though Sato has a nice personality, he doesn't know its value and doesn't like himself.