Which came first, the crow or the egg?

(CiNDERELLA ☆ STAGE 6 STEP) [nature. (Hazuki)] YUI EGG (THE IDOLM@STER CINDERELLA GIRLS)

[Takatu] The Succubus Lady From Next Door Ch. 1-3 [Eng] {doujin-moe.us}

[Wasabisuke] Koopahime (Super Mario Brothers)

Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7

(COMIC1☆9) [The Seventh Sign (Kagura Yuuto)] Onsenkyou Ymir no Ichiban Amai Yoru (The Legend of Heroes: Sen no Kiseki)

[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]

[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]

[PLANT (Tsurui)] Dochira o Onozomi desu ka? ~Shitsuji Hen~ | Which Do You Desire? ~Butler Edition~ (THE IDOLM@STER) [English]

(C91) [NxC Thermit (Nohito)] Konna ni mo Itooshii After Zero (THE IDOLM@STER CINDERELLA GIRLS)

(ComiComi15) [Ponkotsu Works (Theta)] Catherine to! | Together With Catherine! (Catherine) [English]