C1090 A Problem of Strength

"No matter how much you hate him, he's still my grandfather. And the death of my parents has nothing to do with him. The reason he left that year... It was to protect us, but the result was the opposite... So, I, I don't blame him, but most importantly... If I don't avenge my parents, then grandfather will definitely... Although he didn't say it, I know what he was thinking