Reasonable Way to Allocate Life Water

[Give two-thirds of the life water to Yahiko, and leave one to you, the one I like] This time it's mainly Nagato The xhs/lof/gz numbers all have the same ID. If you have any questions, please see the author's column. There are other columns you can read. Otome is the substitute, and Hakaai ALL is in the harem. Magical modification OOC warning, everything is for the all-round service, the writing is average, and the main focus is on a male-female version. Be careful, thanks for watching Written on 2025.9.23, Started posting on 9.27 Concept: The water of destiny in a bottle