Kanojotachi ga Kaitou ni Natta Riyuu

Ore ga Jibun ni Jisin ga Motenakunatta no wa Sore wa Sore wa Hukai Riyuu ga Attedana

Watashi dake ga Shiawase ni Naccha Ikenai Riyuu...

Toki ni Riyuu mo naku Kaijuu ga Ukohaku o Osou!

Kanojo no Shiri no Ana ga Gabagaba na Riyuu

Kanojo no Shiri no Ana ga Gabagabana Riyuu

Reizouko Nemu no Fukigen na Riyuu

Otasano himega yarisano himeni natta riyuu

Futsuu no Shufu ga Fuuzoku ni Ochita Riyuu Sono Ichi ~Shigoto Hajime~

hutei koubi tsuma honoka ~koninwo keizoku simuzukasii cyuusaina riyuu~

Danchou-san ga Mizugi o Kinai Riyuu | The Reason Captain Doesn't Wear a Swimsuit is...

Kyousei Hatsujou Virus - Imouto-tachi to Rankou Shichatta Riyuu

Takuran Aniyome -Watashi ga Gitei no Ko o Haranda Riyuu-

Futsuu no Shufu ga Fuuzoku ni Ochita Riyuu Sono San ~Yokubou ni Ochita Shufu~

Furareta Kanojo to Yori o Modoshita Riyuu - The Reason Why I Got Back Together with My Ex

Heichou no NO na Riyuu

Kashima ga Babubabu suru Riyuu

Idol To Sex Suru No Ni Riyuu to Kairanaiyone

Netorare Kanojo ~ Kanojo-tachi to Ore ga Saimin SEX Dekichau Riyuu

Kimi Kara Hanarerarenai Riyuu

Kimi to Boku ga Kokokara Saki e Susumenai Riyuu

Tachibana Makoto ga Sex o Kirau Riyuu | The reason why Tachibana Makoto hates sex

Idol to Sex Suru noni Riyuu toka Iranai yone - You Don't Need a Reason to Have Sex with an Idol

Ooishi Izumi wa Riyuu o Sagasu

Tanuki-kun ga Nandaka Yowai Riyuu

Futsuu no Shufu ga Fuuzoku ni Ochita Riyuu Sono Ni ~Okane ni Maketa Shufu~

Danchou-san ga Mizugi o Kinai Riyuu

Osananajimi ga denwa ni denai Riyuu

Kashima ga Babubau suru Riyuu

[Ailail (Ail)] Boku ni SeFri ga Dekita Riyuu ~Otonari no Hitozuma Hen~

"Hontou no Riyuu" Nagami Suzuka

[Yururuka-dou (Hoono Yurumu)] Kanojo ga Omutsu o Suru Riyuu [Digital]

Belfast ga Goshujin-sama tte Yobu Riyuu + Honjitsu no Omake Paper

Tsuma ga Oshiego no Dorei ni natta Riyuu ~ Taisetsuna Aisai ga Damasare, Netorareru made no Katei ~

Yahari Kanojo-tachi no Enjo Kousai no Riyuu wa Machigatteiru.