Manga by author 靴下猫腰子

An ordinary corporate slave, Ding Xueyang, has a secret - He has a special ability! But his special ability has a flaw; if he is seen using it, the special ability will be randomized to a new one. For over twenty years, in order to keep this secret, Ding Xueyang has been living very cautiously. He didn't have a significant other, didn't make any friends, and didn't even keep a pet. Until one day, a homeless person came across his secret, and from then on Ding Xueyang has plunged into an abyss of suffering!+

Youshou Xihua- a non-canon, spinoff slice-of-life mini-theater of the Youshou Yan Manga unrelated to the main plotline. Go read the main story