To Heart 2: Haruka Yuzuhara

 Haruka is the mother of Konomi, she will often invite Takaaki over to eat breakfast of dinner with them.

Himawari: Shidare Noren

 Shidare is a constantly drunk instructor at Shinobi Gakuen with a reputation for hitting on men and often has her attention on Hayato.

Himawari: Shikimi

 Shikimi is a serious student who specializes in medicinal herbs and has a boyfriend from the boys school named Nanafushi. She has more Tabi sock scenes than barefoot ones.