Ep. 5: Jun and Koizumi sample Euglena ramen during science class curiosity
Aired on February 1, 2018

During a science lesson, four girls study Euglena, a microorganism often referred to as a green bug. Jun becomes fascinated by the topic and questions the potential taste of the organism. She invites Koizumi-san to join her in eating ramen flavored with Euglena. The pair prepares to experience this unusual culinary combination, leaving the outcome of their experiment to be discovered. The narrative focuses on their scientific interest and the anticipation of trying a food item derived from the microscopic creature discussed in class.
Episodes
- Ep. 1 · Garlic With Extra Vegetables / Maayu / Rich
- Ep. 2 · Misa Nakamura Shadows Koizumi-san After a Humiliating Breakup
- Ep. 3 · Yuu persists in inviting Koizumi to eat, leading to a crowded ramen shop encounter with distant seating.
- Ep. 4 · Yuu follows Koizumi-san to a Western restaurant where she encounters a dashing man
- Ep. 5 · Jun and Koizumi sample Euglena ramen during science class curiosity
- Ep. 6 · Koizumi-san's Hiyashi Ramen Pilgrimage Amidst Summer Heat
- Ep. 7 · The trio plans a nationwide trip during summer break with Koizumi-san leading the way
- Ep. 8 · Yuu and Misa enjoy the ocean while Jun struggles with summer homework and career aspirations in the library.
- Ep. 9 · The narrative explores the enduring challenge and mystery of mountains and their impact on climbers like Koizumi-san.