Maybe you can also try watching dramas/movies with physically short actors (or those who typically portrayed as short on screen) as the main lead so they will definitely get chosen at the end (lol):
- Ninomiya Kazunari (168 cm)
- Kamiki Ryunosuke (168 cm)
- Koike Teppei (168 cm)
- Kazama Shunsuke (165 cm)
- Yamada Ryosuke (165 cm)
- Hamada Gaku (160 cm)
- Ito Atsushi (162 cm)
- Asari Yosuke (162 cm)
- Yamoto Yuma (161 cm)
- Itagaki Rihito (164 cm)
- Izumisawa Yuuki (165 cm)
- Takizawa Hideaki (165 cm)
Older
- Abe Sadao (165 cm)
- Takeda Tetsuya (167 cm)
- Takeda Shinji (165 cm)
- Nakai Masahiro (165 cm)
- Nishida Toshiyuki (166 cm)
- Kagawa Teruyuki (171 cm)
- Kohinata Fumiyo (165 cm)
There are many more 170 cm actors and shorter (especially in Japan industry) but they usually are not portrayed as short in drama/film. Examples:
- Domoto Tsuyoshi (166 cm)
- Ohno Satoshi (166 cm)
- Nakano Taiga (168 cm)
- Sometani Shota (168 cm)
- Muro Tsuyoshi (168 cm)
- Yamada Takayuki (169 cm)
- Okada Junichi (170 cm)
- Kusanagi Tsuyoshi (170 cm)
- Nishikido Ryo (170 cm)