Dont give him something to strong to early, or it wont be fun, give the maid something good to help him, and summon "spike" anf "L" from cowboy bebop, and death note...
Next time he need to use the "domain expande" he can try to throw the enemy as hight as posible in the air to avoid hurt anyone else, unless he get another domain...
abe no seimei, template from the anime "onmyoji" (netflix) ... onmyoji are mages, Exorcist, and fortune teller... and when it camo to fight demons that will be useful and they know magic.
He can use information of the novel lord of the mysteries, like the booms and others think to show he know things they dont...
kurumi - anime "date a live" she has time abilities and a ways to protec yourself is important, again time traveler and the time stone, specially the time administration, so having her as a template is a must.
Try to summon: spike, Cowboy bebop or L, death note they might be weak but useful, with trying and abilities, after after the mc can do always everything
Its ok, having a mc that has flaws is better that being perfect, cause it make more human, unless is like "sakamoto desu ga".... by the way it will be great if some heroes experience the domain, and live to tell the tale, and not because they were the target of his attack, this is personal opinion after all
this chapter Repeat half of all the last chapter and make no sense
I will summon someone like "L" from "death note" just causd i need someone to talk, or maybe someone super nice that die to early like "ace" from "One piece" i mean having friend might be good specially when you know you have a problem, after what he expirience. Having a spirit card from the world of "yuhioh" is also good if i have to choose i will pick monsters like dragons maids....
"Hughes" from, fullmetal alchemist brotherhood, summon him
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