Serie includes 259 albums .
Sena 29sai Tomodachi ga Iranai
Boku no Tomodachi ga Konna Hazu ga Nai
Boku wa Seieki ga Ooi node, Shikyuu ni Jika de Nama Nakadashi o Tomerarenai!
Sena 29sai Koibito ga Inai 2
Boku ni wa Yukimura ga mada Tarinai
Maria-chan to Asobou!
Boku no Sena-chan ga Ookii
Yakiniku to Tare | La carne a la parrilla y salsa
Sena no H na Hon.
I want to be served by Sena
Shounen × Niku × Dorei Omake Hon