YoNatsuishi

Nagare-san is going to meet a cute girl from an online game, but are things going to go as he planned?

Saeki Kaoru is the coolest girl in school, but she's also mysterious and intimidating. But in truth, she is just shy, and also have a crush on the meek Himura Miharu.

The clash of the strongest vs. the strongest slaves, the future when the bell rang for an invitation to a further hell—Roku, a young man who leads a boring life, is challenged to a little game by Ebe, a millionaire he met at his part-time job. Unaware that this has opened a door to a disgusting world of corruption... a new slave game heads towards another dimension! Play with people, with life, with everything in the world filled with depravity!