I'm not very familiar with 'chisa x pon', so I can't say for sure if it's popular. There are so many manga out there that it's hard to keep track of all of them. It could be really popular within a certain niche group though.
Here are some examples of popular novels adapted into comics:
[1. Battle Through the Heavens: A fantasy novel created by Silkworm Potato has been adapted into a manga of the same name.]
2. Martial Universe: A fantasy novel created by Gu Man was adapted into a manga of the same name.
[3. The Blade of Ghost Destruction: A fantasy novel created by Wu Shuju has been adapted into a manga of the same name.]
4.<< Full-time Expert >>: The eSports novel created by Butterfly Blue was adapted into a manga of the same name.
5. Douluo Continent: A fantasy novel created by the Tang family's Third Young Master was adapted into a comic book of the same name.
6. Sword Art Online: A fantasy novel by Kirito, a light novelist, was adapted into a manga of the same name.
Grave Robber's Chronicles: A grave robbing novel created by the third uncle of the Southern faction was adapted into a manga of the same name.
8 One Piece: An adventure manga created by Oda Eichiro has been adapted into multiple versions.
These are some examples of popular novels adapted into comics, all of which have unique storylines and styles.
Manga is popular because it offers a wide range of genres and stories to suit different interests. The art style is often unique and visually appealing.