Based on the CG collection by Chinjao Girl. (チンジャオ娘。).



My cck is now being seen by my elder sister and two of her friends.



"Let's make it bigger!"

It was just a joke in the first place but... it ended up with my first sex!?

Since then they've been totally into my huge cck and come to my house regularly to have sex...



(Source: DLsite English)



Notes:

• A demo was available to the players of RPG browser game Aku no Onna Kanbu: Perigee New Moon (悪の女幹部ペリジーニュームーン) on March 3rd, 2021.
  
• Download version was delivered in advance on April 28th, 2021, announced on lune-soft's website, and physical version was delivered on May 28th, 2021.
  
• A live-action AV adaptation (MIMK-066) was released on February 13th, 2019.