Miki, a pretty and popular girl, makes her older brother pretend to be her boyfriend. To make the act more convincing, she takes him to a love hotel, where she attempts to seduce him.
Her design reminds me of Kirino, except with tanned skin and a very developed body.
Quality checkers: HayateK4L, freudia
[Warabino Matsuri] Sassy-Sister Complex! (COMIC ExE 02) [English] [Team Koinaka]
[蕨野まつり] Sassy-Sister Complex! (コミック エグゼ 02) [英訳]