Jokes abound about how gargantuan Sempai's chest is.

There are multiple pantyshots and Sempai also finds her shirt getting wet often, exposing her bra and huge breasts.

Sempai and Saki compare bust sizes in order to see who was the rightful president of the magic club.

Saki is sexually interested in her younger brother.

Assistant hypnotizes Sempai into believing she was at a hot spring and she starts to remove her clothing.