Lord of Mysteries + Detective Conan + certain characters from other anime

The male protagonist has no romantic partner.

Lin Xiuming is just an identity; in reality, he is Morofushi Hiromitsu, who survived death but lost his memory, and went from being Shinichi Kudo's neighbor to becoming Conan's right-hand man.

Order of appearance of important Conan characters:

Date Wataru (Weapon Master), Chapter 4; Kudo Shinichi (Reader, Deduction Student), Chapter 5; Mouri Ran (Lucky Guy) and Suzuki Sonoko (Praiser), Chapter 11; Professor Agasa (Craftsman), Chapter 20; Amuro Tooru (Nightmare), Chapter 28;

An Ultraman fanfiction with an original world view, a realistic feel, not a wish-fulfillment story, no harem, not invincible, and a self-healing growth theme.

This is a story, not a wish-fulfillment novel with a male protagonist. Please do not read it from a wish-fulfillment perspective, thank you.

When light chooses someone who is insecure, socially anxious, has some communication difficulties, and exhibits autistic tendencies, is it healing or depressing?

Seven years ago, after the aurora borealis appeared in the sky, the boy has been plagued by the same dream ever since...

Seven years later... a strange aurora appeared in the sky again, and a gigantic monster descended from the heavens...

A mysterious mountain-shaped stone pillar suddenly appeared before the boy...

A light, like the beating of a heart, flickered before the boy...

A mark resembling a flying bird appeared...

Is it... a redemption for the boy, or a curse upon him?

When a cute, cuddly catgirl meets a cool, aloof school beauty, an unexpected event brings them together. The catgirl's charm and adorable antics gradually melt the school beauty's icy exterior, while the school beauty's attentive care makes the catgirl feel the warmth of home. From initial dislike to inseparable companionship, their daily lives are filled with sweetness and laughter.