Anime Crossover: My Part-Time Job as a Giant of Light While Studying Abroad in Chiba

[Ultraman 60th Anniversary Commemorative Work (bushi)]
[Action-packed][Dual female leads][Non-transmigration][Coming-of-age story][Unparalleled fanfiction masterpiece]
What happened when I was attacked by a strange guy on my way home from school and was saved by a weirdo who called himself Kai?
Tanzi Rei, who came to Chiba, Japan to study, enrolled in Soubu High School. Unexpectedly, he was greeted by his sharp-tongued classmate Yukinoshita, his usual frenemy Sakuta Azusagawa, and the unapproachable Miss Shinomiya.
He thought life would continue in this uneventful way until the sky cracked open and monsters fell from the heavens.
Duan Zilian then discovered that this world was far crazier than she had imagined.
The powerless rogue, Hong Kai, works at a convenience store.
The gentle store manager, Hibino Mirai, was once a hero who protected the Earth.
The construction site laborer, Daigo Nozomi, is actually Zero's human form?
Duan Zilian, a Chinese student who has mastered the power of Ultraman Tiga, is forced to switch wildly between being an "ordinary high school student" and a "savior of all mankind".
The Kirieloids are watching from the shadows, and the shadow of the Demon Beast is quietly spreading.
Yapool, the Dark Emperor, the Cosmic Needle...
"Listen carefully, I am not a god. I am just a... warrior who has to fight."