File:Vol 04 - 007.png

Summary
A coloured illustration on page 7 of Sword Art Online Volume 04.

Latest image source: Ruranobe

Original image source: Gsimenas

Sword Art Online Volume 04, Yen Press release
Leafa: "...Big...Brother...?"

Kirito: "Huh...? Sugu...? Suguha?"

Alternative translation
Leafa: "......Brother...... is that you......?"

Kirito: "Eh............? ---Sugu...... Suguha......?"