MTL - Awakening - Chapter 252 confused

A continuation from where High School DxD Volume 25 left off.

Qin Xi had been reborn. She was reborn in 1983 when her family married her off to a fool, and she had accidentally inherited the Mysterious Doctor techniques on the day of her rebirth. She only had four bare walls of the house? She was bullied by others? Qin Xi looked down at her own hands and her medical skills and decided to start her journey of self-improvement. Since then, with silver needles in hand, she has not only cured her foolish husband, but she also schemed and kicked out her outrageous relatives, leading to her husband’s family becoming prosperous…After successfully becoming a wealthy woman, Qin Xi thought she could finally breathe a sigh of relief. However, her husband hugged her from behind and whispered into her ear, “Darling, we haven’t had children yet…”

Thomas Lowe was destined for a life of mediocrity as he worked a dead-end job in rural america. But fate seemed to have other plans for him. One card changed everything. A power beyond imagination. A prophecy that put him in the crosshairs of Ancient Clans and Noble Houses that have existed since the dawn of the first era.The name of that card was....

Kuramoto Daisuke, a freshman in High School was suddenly exposed to someone vanishing in front of him. Turns out he was admitted to a Special Class full of Isekai Heroes that were regularly summoned to Otherworlds since the start of their Middle School. He was told that he was to become their Support to prevent each of the Heroes' fate of dying in the world they were summoned into. Though mediocre, he realized that his ability has a great potential but it needs a lot of hard work on his part.

Unconvinced of being just the Support Character, he vowed to excavate his mediocre ability, all the while supporting the Heroes using it.

And maybe more.