Poison Berry in My Brain

Ichiko is a 30-year-old unemployed woman. She meets Ryoichi at a drinking establishment. Even though he is a lot younger than her, she can't forget him. Meanwhile, Ichiko has 5 different characters in her brain that govern her actions. The 5 characters are Yoshida, Ishibashi, Ikeda, Hatoko, and Kishi. These 5 characters then have a fierce meeting.
Yoshida presides over the meeting as the chairman. Ishibashi is the optimist. Ikeda is a pessimist. Hatoko is the character who lives in the moment, and Kishi thinks about the past.
~~ Adapted from the manga series "Nounai Poison Berry" (脳内ポイズンベリー) by Mizushiro Setona (水城せとな).