Summon, then build an invincible harem
Spiritual Summoners-They can use the Mana in their bodies to summon spiritual people from another world. Your mother is going to travel far, and only left you a letter, and a...beautiful spirit war girl "Shirley". what are you going to do with the summoning technique of the spirit?
Last Updated: 8/28/2025
| Developer | Hera Games |
| Publisher | Hera Games |
| Steam App Id | 1721790 |
Summon, then build an invincible harem
Spiritual Summoners-They can use the Mana in their bodies to summon spiritual people from another world. Your mother is going to travel far, and only left you a letter, and a...beautiful spirit war girl "Shirley". what are you going to do with the summoning technique of the spirit?
Last Updated: 8/28/2025
- Windows
- Mac
- Linux
About Summon, then build an invincible harem
Summon, then build an invincible harem is an Indie, Casual, RPG, and Adventure game developed by Hera Games. It was released on the Steam Store by Hera Games.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Summon, then build an invincible harem supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Summon, then build an invincible harem and see the latest screenshots from the Steam Store.
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Summon, then build an invincible harem data has been sourced from:
- Valve Corporation. (2025, August 28). Summon, then build an invincible harem on Steam. Steam Store.
- Valve Corporation. (2025, August 28). Summon, then build an invincible harem. Steam Community Hub.