Aizen-Taichou 4

This was meant to be a Valentine's Day special but I ended up slacking off. Yeah, I know it's too late and March is ending, but I still did it anyway.

_{(c)Bleach and the characters here (Sousuke Aizen, Rangiku Matsumoto, Gin Ichimaru, and Momo Hinamori) belong to Tite Kubo}

In case you missed the others:
Part 1: [link]
Part 2: [link]
Part 3: [link]
Part 5: [link]