Boku no Chi de Yokereba

A ten year old getting jealous over their teacher? https://reader.vortex-scans.com/read/boku_no_chi_de_yokereba/en/1/3/page/1

And the plot begins to thicken. Or is it the blood? https://reader.vortex-scans.com/read/boku_no_chi_de_yokereba/en/1/2/page/1