My childhood friend cries out that their mine as she masturbates!? She gets wetter and wetter with every passing second... I have no choice but to thrust myself in...!

(Source: Coolmic)

Notes:
- Simultaneously released in long-strip and traditional formats, with 9 episodes and 3 chapters respectively.
- The first 3 episodes/first chapter were originally released under the title Kubitsuri Naka ni Are wo Kuwaetarareta node, Shinu ni Shinenaku Natte Kekkyoku Sex Shita Hanashi (首吊り中にアレを咥えられたので、死ぬに死ねなくなって結局セックスした話).