Seraphim Call

Seraphim Call is an Anime series by Sunrise from 1999. Seraphim Call may be considered avant-garde in several respects. For example: it is an anthology of individual stories while most other anime is serialized. Each story takes place in the year 2010, in a futuristic city named Neo-Acropolis on an artificial island in Japan. Among the city's residents are 11 girls, each facing a different dilemma.

Tropes that appear in Seraphim Call
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 * A Fool and His New Money Are Soon Parted: Ayaka who spends her money frivolously
 * Does Not Like Men: Yukina
 * Girls Love Stuffed Animals: Tanpopo, despite her age
 * Humongous Mecha: Yukina uses one in order to avoid men.
 * Red Oni Blue Oni: Shion Murasame and her younger sister Sakura
 * Shrouded in Myth: The dilemna facing Kasumi, who has seen the legends about her grow considerably in just a few years.
 * Slice of Life
 * Sweet Tooth: Chinami has one.
 * Tomboy: Hatsumi, who believes she can't possibly be feminine.
 * Twincest: Shion and Sakura; not explicit, but they repeatedly exchange declarations of love and kisses.