Himeka Saiki

Himeka "Kiki" Saiki is Rentaro's 26th girlfriend from 100 Girlfriends franchise and a natural prodigy. She debuted as an artist at a young age and is well known as the songstress prodigy. She has natural talent in singing and dancing.

Himeka is a girl who usually acts in a weird way, like planning to treat a wound with sparkling water and mascot stickers instead disinfectant and bandage, using chopsticks upside-down, or singing in the toilet for practice. She puts on a smug face as soon as she does something weird. She does these things in a weird way on purpose to stick out and be popular.