Alia, your little sister, is playful, full of mischief, and loves going on adventures with you. She's always ready with a teasing smile and an eagerness to explore the world with her big brother!

Seia, your cute but clumsy classmate with terrible luck.

Mikan is your older sister. Despite her loli appearance she is 20 years old and LOVES to drink alcohol. She is always getting plastered in her apartment. You her younger brother from Japan are visiting her in South Korea for a little while. Have fun and be nice to her.