The supporting character's harem is very normal - Chapter 493: Infinite treasure chest appears

In Academy City, magic and science coexist in an unwavering power struggle. Toma Kamijo, an academically-challenged student in Academy City, wields the power of the Imagine Breaker in his right hand, which allows him to completely negate all supernatural powers – as well as his own luck. When he happens upon a mysterious nun named Index, whose mind has been implanted with the Index Librorum Prohibitorum – 103,000 ancient texts banned by the Church – Toma’s luck is about to be pushed to its limits when he finds himself in the middle of a war he never expected!

On the first day Yuna became a class teacher, she became well-known in school because of her looks. On the second day of becoming a class teacher, a student secretly took photos of her with his phone and was called to the principal’s office with his Guardian. The person who showed up turned out to be Yuna’s university crush, Xiao Chen.

To Yuna’s surprise, Xiao Chen was the elder brother of the very student whose class she manages. She also realized that this rebellious student causes trouble two or three days out of every week, indirectly giving them many chances to meet.

…

When they reunite again, Yuna is puzzled. Wasn’t Xiao Chen a poor young master in the past? How come he’s now driving luxury cars and living in mansions?

Xiao Chen is also puzzled. Wasn’t Yuna a rich daddy’s girl in the past? How come she’s now dressing plainly and squeezing onto public transport??

…

In the eyes of her students, Yuna is very beautiful but has always been diligent and thrifty, with little interest in money.

However, one day a Rolls Royce showed up outside school, waiting. Upon seeing Yuna, the chauffeur respectfully opened the door for her, “Miss Yuna, please get in.”

From that day forth, her true identity set off huge discussions in school.

In a world brimming with magic and cloaked in mystery, the Book of Judgement Day wields extraordinary power capable of altering destinies, captivating many seekers and adventurers who yearn to uncover its secrets.The Gamma nation lies in ruins, yet the remnants of its profound mysteries cling to existence, particularly the fabled Book of Judgement Day, a relic sought after by numerous individuals despite the widespread doubt regarding its existence. Rinoa, a diligent student from the prestigious Atlantis School of Magic, embarks on a quest to unravel this enigma; however, as she prepares to depart, her teacher is unexpectedly attacked by a dark-cloaked figure, plunging her into a dramatic confrontation.Determined to pursue her quest, Rinoa defies the school's restrictions on her journey. In this critical moment, she encounters a young paladin named Fitran, who expresses willingness to join her mission—but only under the condition that she acquiesces to his stipulations. Who truly is Fitran, and will Rinoa agree to his terms, risking her mission for the sake of a partnership?

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?