The Days of Wearing Vests with My Sisters

The heroine with a net height of 175cm, a childlike face and a dove girl, and the sisters who want to grow taller with a height of 167cm Dual perspective first-person direction (the heroine's perspective is "I", the sister's perspective is "sisters", but it is mainly the heroine's perspective), no CP (but there is a single arrow), if I have to talk about CP, it is the friendship CP between the heroine and the sisters. In slow travel, the heroine and her sisters share the same system. There will be various vests (male and female), some of which are original and some are non-original. All the worlds that the heroine and sisters travel through are fictitious, so don't ask them to use the three views of the real world (because this is just a "game" to them), but I will try to avoid that situation. The world has been determined so far: [The end of the world] Shirter … Purpose: On how wonderful it is to have a lifelong confidant and a good sister