“The First Kiss Tastes Like Lemon? Marshmallow? Grown-up”
“Hatsu kisu no aji wa remon? Mashumaro? Otona” (初キスの味はレモン?マシュマロ? おとな)

After spying on one of Keitaro’s failed attempts to kiss Naru, Shinobu ends up worrying who her first kiss will be with. Her mind says Keitaro, but with Su added into the equation, who knows who it will be?