I was Caught up in a Hero Summoning, but that World is at Peace (WN) - Chapter 117 - Isn't it Fine if Chronois-san is the Protagonist Now?

In one lifetime, he gave up his heart so that she might live. In this new lifetime, she’ll pledge her heart to him forever.“I’m your future wife,” she declared her love at their first encounter. Shocked by this mysterious woman professing her love, Mr. Hao chose to take her in and learn more about her. He would give her anything she wanted, except his hand in marriage…because he wanted to be the one who asked “Will you be my future wife?”Will their love blossom again? Will she be his future wife? Follow the journey of Mo Yun & Hao Yansen in “You Are My Only Sunshine.”

“The Shadowx, the name of a warrior who does not have any elemental powers.Fighting those who stand in his way, his goal is still ambiguous. But, the light will be shed on it later after.”“A world which is led by elements, an era in whom humanity took control of the elements which are 4 main elements (Flame, Frost, Shock, Terra).”“A threat known as the dark powers came to destroy this empire of elements which is held by the strongest 3 elemental warriors, The Emperors.”“Even me, I am a warrior named Radiant. Time shall come to reveal everything, EVEN...ME.”

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

The story is about a man who’s opposed to the now-common practice of implanting false memories, but is one day given memories of a fictional childhood friend. This fabricated happiness torments him, but then, to his surprise, he meets her – a girl who shouldn’t exist.