Tomo-Chan Is A Girl! Vol 5

Tomo-Chan Is A Girl! Vol 5 by Fumita Yanagida. A Comedy manga rated Teen, published in English by Seven Seas in 2019.

Tomo Aizawa has been best friends with Junichiro since they were kids, and now she wants him to see her as a girl instead of one of the guys. The trouble is, he still treats her like his old sparring partner. A rowdy, sweet four-panel rom-com.