Yoru Yahagi 4 ~Teitoku to Himitsu no Sofa Jouji~

This work is part of the series Yoru Yahagi

• Yoru Yahagi
• Yoru Yahagi 1.5
• Yoru Yahagi 2
• Yoru Yahagi 3 - Tipsy Lovemaking on a Snowy Night
• Yoru Yahagi 4 ~Teitoku to Himitsu no Sofa Jouji~
• Yoru Yahagi 5
• Yoru Yahagi 6
• Yoru Yahagi 7 - Light Cruiser Yahagi Fell In Love - First
• Yoru Yahagi 8 - Light Cruiser Yahagi Fell In Love - Second
• Yoru Yahagi 9 - Light Cruiser Yahagi Fell In Love - Third
• Yoru Yahagi 10
• Yoru Yahagi 11