I love it but I think you should stabilize the power level: one moment he has a good power level and the next he is as weak as an ant, those drastic changes from one moment to the next are a little annoying.
ch 59 Chapter 59
Anime & Comics · Ryusenka
Everything is good but I think you are starting to exaggerate a little with the serums for him, it is fine for the humans who he care about but I feel like you are not taking advantage of what he already has and you are simply putting more and more into he without developing all the potential he has. I want to say Elizabeth and Meliodas are among the 10 strongest if I remember correctly and he is a perfect hybrid of them with just that and good training he should be able to reach the top.
ch 23 Twenty-Three
Anime & Comics · outsidr
sylveon
Shuichi and Eevee had already discussed the issue of evolution and both decided on an evolution form and once the time was ready Eevee would evolve.
Anime & Comics · AnAccountant
+1
3. OC From RWBY Universe Insert
Anime & Comics · EzioAuditore_1
+1
Nex chapter.
ch 154 Chapter 155: Make Up For The Shortcomings!
Danmachi: I have a Simulator!
Anime & Comics · Novelette_Seeker