Sanae Yamada is a secondary character in Boku no Kokoro no Yabai Yatsu. She is the wife of [Yuki Yamada](https://anilist.co/character/306773/Yamada-Yuuki) and the mother of [Anna Yamada](https://anilist.co/character/174190/Anna-Yamada).

Fascinated by murder and all things macabre, Kyoutarou daydreams of acting out his twisted fantasies on his unsuspecting classmates — but an encounter with Anna Yamada, the gorgeous class idol, lights a spark in the darkness of his heart. It’s a classic tale of an antisocial boy falling for a popular girl, but neither are who they appear to be at first glance. Will Kyoutarou and Anna defy their expectations of each other — and of themselves? 
 
(Source: HIDIVE)

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**Non-anime roles:**
Shunya - Monochrome Mobius: Rights and Wrongs Forgotten

The second season of Boku no Kokoro no Yabai Yatsu.
 
After an eventful winter break, Kyoutarou Ichikawa and Anna Yamada reunite with a stronger bond. They continue to grow in their own ways, with Yamada taking on more challenging photoshoots and Ichikawa maturing both physically and emotionally as he tackles his affections for Yamada. However, spending time together outside of school allows for their relationship to deepen, and it becomes increasingly difficult to deny their budding romantic feelings.
 
Grappling with these unexpected and new emotions, Ichikawa and Yamada realize that, with the passage of time, their relationship is bound to change—and they must ultimately decide whether they wish to remain close friends or finally become a couple.
 
(Source: MAL Rewrite)

Ichikawa Kyoutarou, a boy barely clinging to the bottom rung of his school’s social ladder, secretly believes he’s the tortured lead in some psychological thriller. He spends his days dreaming up ways to disrupt his classmates’ peaceful lives and pining after Anna Yamada, the class idol. But Kyotaro’s not nearly the troubled teen he pretends to be…and it turns out Anna’s a bit odd herself!
 
(Source: Seven Seas Entertainment)
 
Notes: 
- Winner of the Tsugi ni Kuru Web Manga 2020 Award. 
- Nominee for the 2020 Manga Taisho Award.