(C94) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 + Omake Paper [Chinese] [caro个人翻译] (C94) [アイソカーブ (アレグロ)] Special EXtra FRIEND セフレ妻ゆかり Vol.01 + おまけペーパー [中国翻訳]

(C99) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 RE

(COMITIA124) [Isocurve (Allegro)] Yukari Special EXtra Friend (Preview Version) + Omake Paper

Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 RE

(COMITIA118) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.00

(COMITIA120) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01(Preview Version)

(C94) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 + Omake Paper

Special EXtra FRIEND SeFrie Tsuma Yukari Vol.00

Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01

(C99) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 RE [Chinese] [转尾巴猫汉化]

Special EXtra FRIEND SeFrie Tsuma Yukari Vol.02