Why are the cartoons of Sister Control Department so popular, such as those of Vaulting Horse Sister and my sister?

Although my language expression and summary ability is not good, let me talk about why many people like the animation of the sister control department (I am not, I am not, don't talk nonsense. jpg)。

Sister, is the person God has arranged for you, and is bound by your fate. If they are twins, they must have been born hand in hand in a previous life. It's exciting to think about the causal entanglements in two people's lives. \ (≧ρ≦)/~

Wait, doctor, I'm not terminal! I can still be saved! Doctor, doctor ... σ (-||)

The attraction of the role of the younger sister in the cartoon is probably because the small part of the younger sister can be held with one hand, and it is smooth and soft to pinch. Small body, easy to pick up, don't feel hard on the leg. Pudding cheeks make people want to lick, and tiny limbs are slightly fleshy thighs. Buried face is really high. If you put stagnant water, it will reveal an undeveloped but attractive body curve. If you only wear a white shirt, you will stick it on it. You ask me why I am so skilled? Because I copied this passage ╮ (▽) ╭

Sister's role has many similarities, such as brother control (? )? Of course, it doesn't exist in the third dimension unless. ...

Besides controlling my brother, I can also get benefits. I will forgive my brother for what he did wrong ... and because my sister is capable? ω? For example, the painting of gauze fog ("Mr. Eromanga"), Chihiro's cooking ("I wish I had a sister"), and Li Qin helping his brother to open a harem (as everyone knows ...). Okay, I can't make it up, okay? In short, it is capable.

Personally, Kousaka kirino, who feels like her sister, and Kasugano Sora, who feels like fate, are both classic sisters. Tong is a proud girl. On the surface, she hates her brother Jingjie. Actually ... I still remember that when Jingjie was dumped by Gokou Ruri, Tong was Jingjie's comfort and made her feel very warm. Characters can be said to be closer to reality. As for the classic of vault sister, haven't you counted it yet?

Oh, by the way, I heard that the Tongnai line of the game was finally adopted by Kyosuke. Of course, what some gentlemen want is a moral prohibition and a sense of betrayal. If my sister is not a real sister, everything will become dull.

Alas (へぷ) In fact, I envy them not because they have a sister, but because they are taken care of and accompanied. It's really lonely for a person to have no friends to talk to!

So I want a sister!