Manga written by Mangaka Alpaca Club:

Pro Gamer Onii-chan no Zecchou RTA!

My older brother Ryoku is a world-class pro gamer. One day when we were playing games together as usual... he asks, "Can I try an RTA... on you??" An RTA ("real time attack"/speedrun) is game terminology for trying to clear a game in an little as possible time. Being a total gamer, he becomes engrossed in shortening his time... to making me orgasm...... On your mark! Get set! Go! *Does not contain any penetrative sex. (Source: DLsite garumani) | Namespace | Tags | | :- | :- | | male | sole male | | female | clit stimulation, fingering, lolicon, mesuiki, multiple orgasms, nipple stimulation, sister, sole female | | mixed | incest | | other | full color, mosaic censorship, no penetration |

4.1 (57)
Slice of Life