Sex is a love barometer. Everyone wants to be lovey-dovey with the person they love!! But there are things that we don't know.... Do guys like it better without a condom after all? Do girls also want to have...

"I really want to become Rui’s protector!" Super introvert Souichirou frequently says this. However, whenever he listens to "Rocky"´s song, he immediately has a 180° change in his character. Rui, who is ...

1) Solely S, Absolutely M Mamiya has gorgeous looks, terrific grades and outstanding sports reflexes. He’s very popular with the girls in his class, but seems to have no interest in them whatsoever. Sawako...

In the future world, there is a system that can exert influence on reality across time and space, that is, the Heaven Brain. Due to the intervention of the Heaven Brain, the soul of Jiang Pengji, the Colonel...

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is mercenary and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell...