Correct grammar and spelling errors, and add necessary punctuation.

When Akihiro was 7 years old he decided to go swimming in a lake with his father, Akihiro told his father that he could not hold his breath for too long under water and that scared him, his father explained him that the fear he felt made his heart go faster causing the oxygen in his body be consumed faster, and if he wanted to maintain his strength he needed to stay focused, calm but consistent.

When Akihiro was 7 years old, he decided to go swimming in a lake with his father. Akihiro told his father that he could not hold his breath for too long underwater, and that scared him. His father explained to him that the fear he felt made his heart beat faster, causing the oxygen in his body to be consumed faster. He also told him that if he wanted to maintain his strength, he needed to stay focused, calm, but consistent.

The same with this if there needs to be.

The user remains in a state of extreme relaxation and realizes several fast-as-flash slices.

The user remains in a state of extreme relaxation and realizes several lightning-fast slices.

The user "dances" with the enemy's attacks deflecting them and causing damage to the attacker, this works even if the attacks are unpredictable, the user can keep this "dance" for a short period of time but at the high cost of boiling their blood.

The user "dances" with the enemy's attacks, deflecting them and causing damage to the attacker. This technique works even if the attacks are unpredictable. The user can maintain this "dance" for a short period of time, but at the high cost of boiling their blood.

The user swings his weapon around creating an illusion of a green wall blocking the enemies sight and protecting the user.

The user swings his weapon around, creating an illusion of a green wall that blocks the enemies' sight and protects the user.

The user moves in a flow that limits the opponent movements (This form is more effective with Akihiro's next move guess ability)

The user moves in a flowing manner that limits the opponent's movements. This form is more effective when combined with Akihiro's ability to anticipate the opponent's next move.

The user throws one or several wisteria smoke bombs and attack freely within its range (Using the cell breathing gives momentary immunity to the wisteria smoke).

The user throws one or several wisteria smoke bombs and attacks freely within their range. Utilizing the cell breathing technique provides momentary immunity to the wisteria smoke.

• Cell Breathing is called like that because it uses all the energy the cells can produce.

Cell Breathing is named so because it harnesses the full energy potential of the cells.

Although the technique is called Cell Breathing, the user is actually holding their breath, but the difference to only holding the breath and cell breathing is that the user is using their own cells to power up their attacks, like a normal breathing technique would do.

Although the technique is called Cell Breathing, the user is actually holding their breath. However, the distinction between simply holding one's breath and cell breathing lies in the fact that the user utilizes their own cells to enhance the power of their attacks, similar to a typical breathing technique.

The first 4 positions are linked to the user's pulmonary capacity.

The first four positions are connected to the user's pulmonary capacity.