Tên Khác: りゅうりゅうしんく;
- Ryuuryuu Shinku;
- Kiên trì

Nội dung:

Oneshot

Manga:

1. https://mangadex.org/title/2be5d3e0-adf2-4bde-ac86-fa938a6c6198/persevere
2. https://cuutruyen.net/mangas/2781
3.