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Which cartoon character is this?

Game: Seven colors.

Seven-pointed star with suit [1] (seven-pointed star with suit, Japanese: ヘプタグラム, English: Hanairo Heptagram,)

It's a Japanese adult game released by Tangkuai on 20 12126. The ninth work of sugar cube. The advertising slogan is "Love gathers the land, this is an incredible hot spring town with different colors-"(Love gathers ぅ, そこはなななななななななななななななな1