お姉ちゃん零れい君勝ったって。
The translation (in English) was listed as:
Sis, Rei said he won!

Where in this sentence is "said he"?

Question

お姉ちゃん零れい君勝ったって。
The translation (in English) was listed as:
Sis, Rei said he won!

Where in this sentence is "said he"?

Answer

Wow sorry, 「お姉ちゃん」is vocative. Try お姉ちゃん、れい君が勝ったって言ってた。Who did say 勝った? れい君 did.

Answer

This can be お姉ちゃんがれい君が勝ったって言ってた。
Note that 「言ってた」is left out, but we can understand the sentence should go like that way. The two が are left out as well.