After the group is finally complete and the girls are enjoying well-deserved popularity both in Akihabara and on the internet, maintaining success becomes quite a challenge and time to rest is increasingly scarce... But that won't stop our favorite lewd idols from having their time to relax!

“Relaxing time is as important as hard work... Especially when you're surrounded by such young and beautiful girls!”
Ranko. Lewd Idol Project member and producer.

The newest member of the group, Kanako-chan, receives a mysterious letter from the town where she grew up when she was just a child... Apparently, an old hot springs inn now belongs to her. Kairi and the others are more than excited about this unexpected news but…
Is everything really as great as it seems?

Kanako is as surprised as she is worried about this situation, so the group decides to embark on a journey to visit this mysterious residence and uncover the truth.

[From Steam]