The author of the work Kiss X Sis has published a +18 version of his manga officially. That's right you read! Comic Market took place last weekend in Japan, bringing together fans and exhibitors to sell manga and anime items. It was there that they released, by surprise, this big news that caught us all off guard.

The author of the Kiss x Sis work, Bow Ditama was at the event selling an h3ntai created by himself, from his recently finished work. In it we can see the two sisters on the cover covered in a suspicious liquid.
Synopsis
In short, Kiss x Sis tells the story of Keita Suminoe , a young elementary school student. He is living in a house with his parents and his twin half-sisters, Ako and Riko , who kiss and harass him while always competing to see who shows him the most love .
Finally, how many of you have seen this work so famous in the otaku community? In fact, it was certainly a good move by the author to finally launch this +18 officially.
Source: Official Twitter