https://vgmdb.net/album/74605
Tracklist:
(1) The Ninja [0:00]
(2) Igano Kabamaru [2:51]
Composer: Kurando Kaya (茅蔵人)
Arranger: Eiji Kawamura (川村栄二)
Performer: Ryuusei Nakao (中尾隆聖)
This is an image 7-inch single released for the manga of the same name. Coincidentally the singer of these songs also went on to sing a track for the actual anime that came out 2 years later…
Enjoy!!
WACOCA: People, Life, Style.