Related Doujins, similar to Kouhai Nikki. from Original Work

Original Work

Natsu no Hi, Kouhai to, Bus-tei de. | On a Summer Day, with My Kouhai, at the Bus Stop.

19

Idolmaster

Morimiyakan Deremasu Hon Soushuuhen

164

Idolmaster

Massage Oil de Shouko-chan Momu Hon

20

Idolmaster

Sarani, Nao-chan to Asedaku de Suru Hon

22

Idolmaster

Fumi Fumi ga Oku-san ni Naru Hon | A Book Where Fumi Fumi Becomes a Wife

25

Idolmaster

Fumi Fumi ga Oku-san ni Naru Hon

25

Idolmaster

Nao-chan to Asedaku de Shichau Hon

22

Idolmaster

Fumi Fumi ga Oku-san ni Naru Hon | A Book Where Fumi Fumi Becomes a Wife

25

Idolmaster

Kako-san to Darashinaku suru Hon

20

Idolmaster

Fumi Fumi ga Oku-san ni Naru Hon

31

Idolmaster

Shimamu to Pokapoka ni Naru Hon | Warming up with Shimamu

22

Idolmaster

Shibu Rin to Torotoro de Suru Hon

21

Idolmaster

Shugaha to Mure Mure ni Naru Hon

22

Girls und Panzer

Ankou-san Team + Maho-nee + Kakutaichou + Utsugi-chan + Kaichou + Erika + Pepperoni + Yuzu-chan ni Fella Shite Morau dake ver.2.22

22

Idolmaster

Shibu Rin to Torotoro de Suru Hon | Doing Lewd Stuff With Shiburin

22

Idolmaster

Shibu Rin to Torotoro de Suru Hon

23

Idolmaster

Shibu Rin to Torotoro de Suru Hon

22

Idolmaster

Sae-han ni Oshioki Sareru Hon | Getting Punished by Sae-han Book

23

Idolmaster

Sae-han ni Oshioki Sareru Hon

22

Original Work

Hatuiki☆Syndrome Ch.05

20

Original Work

Boku no Kouhai wa Yasashii Seijun Bitch

127

Original Work

Ojousama Syndrome

20

Original Work

Hatuiki Syndrome Ch.03

20

Idolmaster

Shimamu to Pokapoka ni Naru Hon

23