Grisaia の Context (and Fun Facts!)さんのイラストまとめ

Official art of UR [挑戦者]入巣蒔菜 from Grisaia: Chronos Rebellion.

Translated as "UR [Challenger] Irisu Makina", this variant of Makina's Hissatsu Waza™ is of her chasing down a wild cock to eat it out just like how she eats me out on a daily basis.

Official art of UR [守護者]風見雄二 from Grisaia: Chronos Rebellion.
Translated as "[Guardian] Kazami Yuuji", this character is a virtual AI that is only a reproduction based off the king's records during his enrollment in Mihama Private Academy.

Official art of UR [unknown]"クソメイド", Sachi's clone from Grisaia: Chronos Rebellion

Official art of UR [水を得たサメ]小嶺幸 from Grisaia: Chronos Rebellion

Official art of UR [桜花爛漫]榊由美子 from Grisaia: Chronos Rebellion

Official art of UR [南国マーメイド]周防天音 from Grisaia: Chronos Rebellion, ft. new bikinied Sachi and Makina hella yeah

Official art of UR [ミリタリーサマ]松嶋みちる from Grisaia: Chronos Rebellion

Official character art of Sachi, Amane, Michiru, and Kazuki from the 2019 Grisaia X Kamihime PROJECT R collabo.

The collab had an accompanied side-story campaign with the featured girls and also exclusive H-scenes for each girl that were locked behind a hella unfair gacha.

@gravitypriest hella tilted

Makina's hair bows inexplicably change color between black and blue in-between CGs in her H-scenes from each main Grisaia Trilogy installment.