These Dangerous Girls Placed Me Into Jeopardy - Volume 1, Chapter 4.3 - A [Coldhearted type Bro-con meimei (false)] situation

Michael, formerly a military veteran turned mercenary, was living quite a peaceful and slightly eventful life. That was until an accident happened that caused him great misfortune, rendering him unable to continue being a mercenary. After that point, his life spiraled into that of an alcoholic, eventually leading to his demise. Before he died, he saw something odd; it was a blue hologram with the words ’Do you wish to start anew?’ Michael readily accepted and was thrust into a fantasy world with a mysterious system companion that seemed to be hell bent on making him the best healer in the world. However, as he began unraveling mysteries, he found out his identity was not as simple as it seemed.

5 years after the world changed, the final boss appeared.

Breasts are NOT supposed to spontaneously grow for no reason.Women's personalities do NOT flip on their heads without warning. These are two things Tsunade believes wholeheartedly.Until Hinata's embarrassingly large girls begin to expand even bigger than before. Heralding her devolution from a sweet and innocent young lady into a foul-mouthed slut with tits like weather balloons. Tsunade intends to find out why.