Hello Kanta, probably you are right. In my opinion, you should not add more than 20%(bakers percentage)levain inoculation or your final product will become dense and much more chewy. Good luck to you in your next bake!
Hi gonben! Thank you for giving nice advice. When I baked some breads in next time, I’m gonna to try with your advice.By the way, You have understood my texts perfectly. I see you can speak Japanese . I think your Japanese is better than my English.