Time Limit wa 60-pun!: Kareshi ni Barezu ni Netori Sex de Kanochi Sasero!

"I'm... I'm coming..." I have 60 minutes before your boyfriend gets here. 60 minutes to dye you my color, make you feel pleasure like you have never felt before. I will! Make you mine!
(Source: Coolmic)
Note: Simultaneously released in long-strip and traditional formats, with 9 episodes and 3 chapters respectively.