Ichiha and Seiko are friends. Ichiha being more experienced tries to incentivize Seiko's sexual discoveries through gifts and situations, including, even, matching her own uncle/boyfriend to Seiko's first re...

Runa Sasaka loves saunas. One day, she accidentally wandered into a sauna in... another world? In order to raise funds to return to the real world, she aims to rebuild the sauna in the other world!