HEY GACHA EDITOR FRIENDS! I MADE MY FIRST EDIT AND I WANNA SHARE WITH YOU HOW I EDIT EYES :)
FIRST, SELECT THE IRIS (THE COLORED PART-EXCLUDING THE OUTLINE). THEN, EYEDROP THE BOTTOM COLOR OF THE EYE AND ADD IT TO THE PALETTE, THEN ADD A LIGHTER VERSION OF THIS COLOR TO THE PALETTE. COLOR THE BOTTOM HALF THE DARKER COLOR AND THE TOP THE LIGHTER COLOR. THEN, USE THE BLUR TOOL. IF DONE CORRECTLY, THIS SHOULD RESULT IN A SMOOTH, SHINY EYE :)