As the Minor Gay Love Rival in Het Novels - Chapter 4.8

While on a plane ride, Shuuta Fenton and his classmates are whisked away to a fantasy world by Holy Lord Meruria. She reveals to them that they are to be her Soul Warriors. Most of the students display extraordinary skills after opening their Soul Crystal, but Shuuta is the only one to not have any potential, being cursed with a 0-Star Soul.After a sham trial to decide whether or not he can be useful to her, in which his own sister argues for his sacrifice, Holy Lord Meruria banishes him to the void, an inescapable realm of unending torment, to recoup the Holy Mana she spent on summoning him.While his body was destroyed, Shuuta's desire for revenge keeps his soul intact long enough to gain the attention of an unknown entity. It alters his essence and turns him into a chimera, something viewed as a blasphemous abomination that grows stronger by consuming others.After his soul is summoned again, and this time by the imprisoned Dark Lord of Tyranny, Shuuta frees her and throws away his former identity to become Lyudmila Springfield, the future Transcendent Dark Lord that will spill the blood of her enemies.

This is probably the story of a modern man who became the Seventh son of Kangxi in the Qing Dynasty. This is probably the story of how the Seventh brother Yinyou worked hard and fell in love by the way. So there is no doubt that this article is ambiguous, and it is easy to guess who the couple is.

- Description from Novelupdates

Beneath the neon-lit bustling city, unknown monsters lurk.Martial arts sects, biological modifications, cutting-edge mechas, golden bloodlines, abyssal alien species...Chen Feng arrives in this world, similar to Earth, and discovers he can enter a strange dream world where he can pick up various light groups.【Limit-Break Light Group: Can enhance martial arts skills, break limits, and upgrade!】【Attribute Light Group: Can randomly increase four-dimensional attribute points, bigger and stronger, add points!】【Talent Light Group: You gain the talent - Cyan Armor, able to switch combat forms, with power increase by 100%........】【Skill Light Group: You obtain the Extreme Refinement Method, destined to break human limits......】As martial arts gradually decline, and modified humans and cutting-edge mechas flourish,Chen Feng has achieved ultimate limit-breaking in the dream world, integrating extraordinary talents, and continues the path of martial arts!Tear apart mechas with his hands, smash aircraft carriers with his fists!I am the great King of the Century..........My name is Chen Feng, the peak you can never surpass.

A fluffy, sweet modern GL story about a mature older women and a cute university student.