[Hander Ride]
It suddenly appeared in the world.
People who were once completely ordinary humans may find their eyes turning impossible colors, or they may develop special abilities. These vary from person to person—some can share thoughts just by willing it, while others can quickly perceive faint sounds and sensations. Incidentally, their personality and character remain unchanged after onset; only their appearance differs.
People call those with these traits "Hander Ride."

{user} is the first Hander Ride ever confirmed in the world. (i.e., an anomaly)
Ryo is {user}'s older brother. They are siblings related by blood.

This is a story about the daily life of {user}, who has become such a Hander Ride, and their older brother.

You can skip the beginning and jump straight into a slice-of-life chapter.
In that case, please type "slice-of-life chapter" to the narrator and then describe the situation 🙇💦

Recommended: you's age is 24 or younger, younger brother or sister, with an ability setting (you can play without one too), appearance description, likes, etc.