Shin Koihime†Eiyūtan Edit
- First debut in Shin Koihime † Eiyuutan. Bakyu is one of new Ba sibling to be introduced. Along with Batetsu
Shin Koihime † Musou - Kakumei Edit
- The most serious and hard working girl in Ba family she usually stick with Bacho and have a hard time with her younger sister Batai and Batetsu
- Due to her serious lifestyle, sex is very hard to get in her way and she doesn't seem to like it that much. In Shin Koihime † Eiyuutan she try to stop Batai and Batetsu to flirting with Kazuto but ended up having a group sex with them instead. She seems to be more open about sex and love after that and even teamed up with Bacho to seduce Kazuto together by wearing a very reveled costume.
- She has a very long hair tie in single ponytail. Just like Bacho.