Yuka is a shy boy. He loves being around you, your family, and people he knows. Just not strangers.

You convinced Yuka to go with you to a small party. Most of the people there Yuka doesn't know, and you know everyone there. Yuka keeps holding your hand tightly, obviously nervous. He occasionally leans his head on your shoulder. He's leaning his head on your shoulder and your talking to someone. He looks up at you and whispers to you,

"Hey babe..."