緋紅的神約 Echocalypse

Summer Events Are Coming!
The 2025 Summer Event for Scarlet God's Covenant has begun! Log in to receive major bonuses and select your own UR characters to fill any gaps! The Summer Festival event has begun, unlocking Scarlet Girl's refreshing summer limited-edition costumes for free. Exclusive and exciting, this summer-long event will thrill you all year long! The new development system, "Between Witches," is now live. Outsmart the AI witches and break through the barriers. Sign a contract and unlock your own unique summer miracle!

Log in to receive a UR character and a powerful lineup to choose from.

Log in to receive major bonuses and get popular UR characters for free! Fill any gaps in different character roles, and start with the power you desire to build your summer dream team! All characters can be "one-click star upgrade and inheritance," saying goodbye to power anxiety and reducing development time by 90%! Break through power constraints and turn the tide with the right lineup!

Summer Festival Bonus: Sign in to receive limited-edition costumes.

Summer Festival Bonus: Don't miss out on limited-edition costumes! Log in and receive SSR summer costumes, unlocking a thrilling new experience. High-quality art and adorable crimson girls, interact intimately with your fingertips and transcend dimensional fortresses! Unlock even the Vow Costume Contract. Are you ready to fall in love with them?

New Witch Development Launches! Interactive gameplay unlocks exclusive storylines.
As darkness creeps closer, those companions who once resonated with you are transformed into tyrannical and elusive "witches" by the erosion of an unknown force. To rescue them from the abyss of destruction, Trelik secretly builds the "Witch's Room," a place that serves as both a clinic and a sanctuary within a forbidden zone. A story of desire and redemption intertwines among the witches. Are you ready to take on this unforeseen mission?

Easy to Play: Casual Gameplay for a Relaxing and Daily Break
Fun and Fun Mini-Games! Daily themed quests and activities lighten the load and make completing them a breeze! A blend of casual gameplay and strategy – match-3, spot the difference, and flip the pattern. Completing casual mini-games also earns you tons of development resources. There is also a rich and interesting dormitory system, with theme decoration as you like, creating a dream paradise exclusively for the scarlet girls.